131950638132 has 48 divisors (see below), whose sum is σ = 328653964800. Its totient is φ = 41081735520.

The previous prime is 131950638121. The next prime is 131950638161. The reversal of 131950638132 is 231836059131.

It is a congruent number.

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, 4059382 + ... + 4091757.

It is an arithmetic number, because the mean of its divisors is an integer number (6846957600).

Almost surely, 2^131950638132 is an apocalyptic number.

131950638132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131950638132 is an abundant number, since it is smaller than the sum of its proper divisors (196703326668).

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

131950638132 is a wasteful number, since it uses less digits than its factorization.

131950638132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151236 (or 8151234 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 131950638132 in words is "one hundred thirty-one billion, nine hundred fifty million, six hundred thirty-eight thousand, one hundred thirty-two".