3132656140 has 48 divisors (see below), whose sum is σ = 6639216192. Its totient is φ = 1241563136.

The previous prime is 3132656129. The next prime is 3132656161. The reversal of 3132656140 is 416562313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177692 + ... + 1180348.

It is an arithmetic number, because the mean of its divisors is an integer number (138317004).

Almost surely, 2^3132656140 is an apocalyptic number.

It is an amenable number.

3132656140 is an abundant number, since it is smaller than the sum of its proper divisors (3506560052).

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

3132656140 is a wasteful number, since it uses less digits than its factorization.

3132656140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3132656140 is about 55970.1361441975. The cubic root of 3132656140 is about 1463.2018521363.

The spelling of 3132656140 in words is "three billion, one hundred thirty-two million, six hundred fifty-six thousand, one hundred forty".