134 (number)
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134 is a natural number that comes after 133 and before 135. It is an even number, meaning it can be divided by two with no remainder.
In mathematics, 134 is called a composite number, because it has divisors other than one and itself. In the decimal (base-10) numbering system it comprises three digits: 1, 3, and 4.
Prime factorization and divisors
The prime factorization of 134 is 2 × 67. Both are prime numbers, so 134 is classified as a semiprime—a number that is the product of two primes. Its complete set of divisors is 1, 2, 67, and 134. The sum of all divisors is 204; the sum of divisors excluding itself (the aliquot sum) is 70. Since 70 is less than 134, this number belongs to the class of deficient numbers.
Representation in other bases
In binary, 134 is written as 10000110, which equals 128 + 4 + 2. In hexadecimal it is 86, and in octal it is 206. In Roman numerals, 134 is written as CXXXIV.
General use
Like other small numbers, 134 serves practical purposes in counting and measurement: years, distances, road numbers, and similar applications. This use has no special mathematical significance; it depends on the system from which it originates.