131374682540 has 12 divisors (see below), whose sum is σ = 275886833376. Its totient is φ = 52549873008.

The previous prime is 131374682507. The next prime is 131374682561. The reversal of 131374682540 is 45286473131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131374682491 and 131374682500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284367044 + ... + 3284367083.

It is an arithmetic number, because the mean of its divisors is an integer number (22990569448).

Almost surely, 2^131374682540 is an apocalyptic number.

131374682540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131374682540 is an abundant number, since it is smaller than the sum of its proper divisors (144512150836).

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

131374682540 is a wasteful number, since it uses less digits than its factorization.

131374682540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568734136 (or 6568734134 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 131374682540 in words is "one hundred thirty-one billion, three hundred seventy-four million, six hundred eighty-two thousand, five hundred forty".