134985656 has 64 divisors (see below), whose sum is σ = 284256000. Its totient is φ = 59673600.

The previous prime is 134985649. The next prime is 134985659. The reversal of 134985656 is 656589431.

It is a happy number.

134985656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134985656² = 36442254651500672, which contains 22 as substring.

Its product of digits (777600) is a multiple of the sum of its prime factors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 134985656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134985659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480236 + ... + 480516.

It is an arithmetic number, because the mean of its divisors is an integer number (4441500).

Almost surely, 2^134985656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134985656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142128000).

134985656 is an abundant number, since it is smaller than the sum of its proper divisors (149270344).

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

134985656 is a wasteful number, since it uses less digits than its factorization.

134985656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 134985656 is about 11618.3327547458. The cubic root of 134985656 is about 512.9746145484.

The spelling of 134985656 in words is "one hundred thirty-four million, nine hundred eighty-five thousand, six hundred fifty-six".