134656 has 20 divisors (see below), whose sum is σ = 270072. Its totient is φ = 67072.

The previous prime is 134639. The next prime is 134669. The reversal of 134656 is 656431.

It is a self number, because there is not a number n which added to its sum of digits gives 134656.

It is a congruent number.

It is an unprimeable number.

134656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381 + ... + 643.

2¹³⁴⁶⁵⁶ is an apocalyptic number.

134656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135036).

134656 is an abundant number, since it is smaller than the sum of its proper divisors (135416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134656 is an frugal number, since it uses more digits than its factorization.

134656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 265 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 134656 is about 366.9550381178. The cubic root of 134656 is about 51.2556686175.

Subtracting from 134656 its product of digits (2160), we obtain a square (132496 = 364²).

The spelling of 134656 in words is "one hundred thirty-four thousand, six hundred fifty-six".