156132540 has 72 divisors (see below), whose sum is σ = 474714240. Its totient is φ = 41537664.

The previous prime is 156132521. The next prime is 156132553. The reversal of 156132540 is 45231651.

156132540 is a `hidden beast` number, since 1 + 5 + 613 + 2 + 5 + 40 = 666.

156132540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108546 + ... + 109974.

Almost surely, 2^156132540 is an apocalyptic number.

156132540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156132540 is an abundant number, since it is smaller than the sum of its proper divisors (318581700).

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

156132540 is a wasteful number, since it uses less digits than its factorization.

156132540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 156132540 is about 12495.3007166694. The cubic root of 156132540 is about 538.4736733948.

The spelling of 156132540 in words is "one hundred fifty-six million, one hundred thirty-two thousand, five hundred forty".