131926357017 has 72 divisors (see below), whose sum is σ = 247565799936. Its totient is φ = 69587447328.

The previous prime is 131926356979. The next prime is 131926357027. The reversal of 131926357017 is 710753629131.

131926357017 is a `hidden beast` number, since 1 + 3 + 1 + 9 + 2 + 63 + 570 + 17 = 666.

It is not a de Polignac number, because 131926357017 - 2⁶ = 131926356953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131926357027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 271353 + ... + 580934.

It is an arithmetic number, because the mean of its divisors is an integer number (3438413888).

Almost surely, 2^131926357017 is an apocalyptic number.

It is an amenable number.

131926357017 is a deficient number, since it is larger than the sum of its proper divisors (115639442919).

131926357017 is an equidigital number, since it uses as much as digits as its factorization.

131926357017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852329 (or 852310 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 131926357017 in words is "one hundred thirty-one billion, nine hundred twenty-six million, three hundred fifty-seven thousand, seventeen".