131879939832 has 64 divisors (see below), whose sum is σ = 366374052000. Its totient is φ = 43955073792.

The previous prime is 131879939767. The next prime is 131879939839. The reversal of 131879939832 is 238939978131.

131879939832 is a `hidden beast` number, since 131 + 87 + 9 + 9 + 398 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 131879939832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131879939839) 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, 2263644 + ... + 2321172.

Almost surely, 2^131879939832 is an apocalyptic number.

131879939832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131879939832 is an abundant number, since it is smaller than the sum of its proper divisors (234494112168).

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

131879939832 is a wasteful number, since it uses less digits than its factorization.

131879939832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68157 (or 68147 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 131879939832 in words is "one hundred thirty-one billion, eight hundred seventy-nine million, nine hundred thirty-nine thousand, eight hundred thirty-two".