131597674533 has 48 divisors (see below), whose sum is σ = 207487635264. Its totient is φ = 79886315520.

The previous prime is 131597674511. The next prime is 131597674561. The reversal of 131597674533 is 335476795131.

It is a happy number.

131597674533 is a `hidden beast` number, since 1 + 3 + 1 + 597 + 6 + 7 + 45 + 3 + 3 = 666.

It is not a de Polignac number, because 131597674533 - 2¹⁶ = 131597608997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131597674533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131597676533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6622693 + ... + 6642533.

It is an arithmetic number, because the mean of its divisors is an integer number (4322659068).

Almost surely, 2^131597674533 is an apocalyptic number.

131597674533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131597674533 is a deficient number, since it is larger than the sum of its proper divisors (75889960731).

131597674533 is a wasteful number, since it uses less digits than its factorization.

131597674533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20626 (or 20623 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The spelling of 131597674533 in words is "one hundred thirty-one billion, five hundred ninety-seven million, six hundred seventy-four thousand, five hundred thirty-three".