131687929365 has 16 divisors (see below), whose sum is σ = 210748238016. Its totient is φ = 70217712000.

The previous prime is 131687929333. The next prime is 131687929393. The reversal of 131687929365 is 563929786131.

It is not a de Polignac number, because 131687929365 - 2⁵ = 131687929333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131687929299 and 131687929308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921811 + ... + 1055040.

It is an arithmetic number, because the mean of its divisors is an integer number (13171764876).

Almost surely, 2^131687929365 is an apocalyptic number.

131687929365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131687929365 is a deficient number, since it is larger than the sum of its proper divisors (79060308651).

131687929365 is a wasteful number, since it uses less digits than its factorization.

131687929365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981300.

The product of its digits is 14696640, while the sum is 60.

The spelling of 131687929365 in words is "one hundred thirty-one billion, six hundred eighty-seven million, nine hundred twenty-nine thousand, three hundred sixty-five".