131350020056540 has 24 divisors (see below), whose sum is σ = 275921592312912. Its totient is φ = 52523522271360.

The previous prime is 131350020056513. The next prime is 131350020056551. The reversal of 131350020056540 is 45650020053131.

It is a self number, because there is not a number n which added to its sum of digits gives 131350020056540.

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, 1030294121 + ... + 1030421600.

It is an arithmetic number, because the mean of its divisors is an integer number (11496733013038).

Almost surely, 2^{131350020056540} is an apocalyptic number.

131350020056540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131350020056540 is an abundant number, since it is smaller than the sum of its proper divisors (144571572256372).

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

131350020056540 is a wasteful number, since it uses less digits than its factorization.

131350020056540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060718917 (or 2060718915 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 131350020056540 in words is "one hundred thirty-one trillion, three hundred fifty billion, twenty million, fifty-six thousand, five hundred forty".