131729768535 has 16 divisors (see below), whose sum is σ = 213307000704. Its totient is φ = 69409419552.

The previous prime is 131729768483. The next prime is 131729768537. The reversal of 131729768535 is 535867927131.

It is not a de Polignac number, because 131729768535 - 2²⁶ = 131662659671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131729768537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52902277 + ... + 52904766.

It is an arithmetic number, because the mean of its divisors is an integer number (13331687544).

Almost surely, 2^131729768535 is an apocalyptic number.

131729768535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131729768535 is a deficient number, since it is larger than the sum of its proper divisors (81577232169).

131729768535 is a wasteful number, since it uses less digits than its factorization.

131729768535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105807134.

The product of its digits is 9525600, while the sum is 57.

The spelling of 131729768535 in words is "one hundred thirty-one billion, seven hundred twenty-nine million, seven hundred sixty-eight thousand, five hundred thirty-five".