131521140423976 has 64 divisors (see below), whose sum is σ = 249327656887680. Its totient is φ = 65034780180480.

The previous prime is 131521140423971. The next prime is 131521140423977. The reversal of 131521140423976 is 679324041125131.

It is not an unprimeable number, because it can be changed into a prime (131521140423971) 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, 8216468565 + ... + 8216484571.

It is an arithmetic number, because the mean of its divisors is an integer number (3895744638870).

Almost surely, 2^{131521140423976} is an apocalyptic number.

It is an amenable number.

131521140423976 is a deficient number, since it is larger than the sum of its proper divisors (117806516463704).

131521140423976 is a wasteful number, since it uses less digits than its factorization.

131521140423976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23234 (or 23230 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 131521140423976 in words is "one hundred thirty-one trillion, five hundred twenty-one billion, one hundred forty million, four hundred twenty-three thousand, nine hundred seventy-six".