131509579740 has 96 divisors (see below), whose sum is σ = 459088003584. Its totient is φ = 27326664960.

The previous prime is 131509579709. The next prime is 131509579759. The reversal of 131509579740 is 47975905131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14228019 + ... + 14237258.

It is an arithmetic number, because the mean of its divisors is an integer number (4782166704).

Almost surely, 2^131509579740 is an apocalyptic number.

131509579740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131509579740 is an abundant number, since it is smaller than the sum of its proper divisors (327578423844).

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

131509579740 is a wasteful number, since it uses less digits than its factorization.

131509579740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28465307 (or 28465305 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 51.

The spelling of 131509579740 in words is "one hundred thirty-one billion, five hundred nine million, five hundred seventy-nine thousand, seven hundred forty".