13131275794 has 32 divisors (see below), whose sum is σ = 24253197696. Its totient is φ = 5192467200.

The previous prime is 13131275791. The next prime is 13131275803. The reversal of 13131275794 is 49757213131.

It is a self number, because there is not a number n which added to its sum of digits gives 13131275794.

It is not an unprimeable number, because it can be changed into a prime (13131275791) 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, 424969 + ... + 454819.

It is an arithmetic number, because the mean of its divisors is an integer number (757912428).

Almost surely, 2^13131275794 is an apocalyptic number.

13131275794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13131275794 is a deficient number, since it is larger than the sum of its proper divisors (11121921902).

13131275794 is a wasteful number, since it uses less digits than its factorization.

13131275794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290.

The product of its digits is 158760, while the sum is 43.

The spelling of 13131275794 in words is "thirteen billion, one hundred thirty-one million, two hundred seventy-five thousand, seven hundred ninety-four".