131960503988 has 24 divisors (see below), whose sum is σ = 233594008200. Its totient is φ = 65219793408.

The previous prime is 131960503967. The next prime is 131960504017. The reversal of 131960503988 is 889305069131.

It can be written as a sum of positive squares in 4 ways, for example, as 13598358544 + 118362145444 = 116612^2 + 344038^2 .

It is a super-2 number, since 2×131960503988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203806 + ... + 1308842.

It is an arithmetic number, because the mean of its divisors is an integer number (9733083675).

Almost surely, 2^131960503988 is an apocalyptic number.

It is an amenable number.

131960503988 is a deficient number, since it is larger than the sum of its proper divisors (101633504212).

131960503988 is a wasteful number, since it uses less digits than its factorization.

131960503988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108659 (or 108657 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 131960503988 in words is "one hundred thirty-one billion, nine hundred sixty million, five hundred three thousand, nine hundred eighty-eight".