157256136 has 48 divisors (see below), whose sum is σ = 431308800. Its totient is φ = 51753312.

The previous prime is 157256123. The next prime is 157256159. The reversal of 157256136 is 631652751.

157256136 is a `hidden beast` number, since 1 + 572 + 56 + 1 + 36 = 666.

157256136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 157256136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8136 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (8985600).

Almost surely, 2^157256136 is an apocalyptic number.

It is an amenable number.

157256136 is an abundant number, since it is smaller than the sum of its proper divisors (274052664).

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

157256136 is a wasteful number, since it uses less digits than its factorization.

157256136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27738 (or 27731 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 157256136 is about 12540.1808599398. The cubic root of 157256136 is about 539.7622821989.

The spelling of 157256136 in words is "one hundred fifty-seven million, two hundred fifty-six thousand, one hundred thirty-six".