13813131265 has 8 divisors (see below), whose sum is σ = 16590017088. Its totient is φ = 11040998640.

The previous prime is 13813131263. The next prime is 13813131337. The reversal of 13813131265 is 56213131831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13813131265 - 2¹ = 13813131263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13813131265.

It is not an unprimeable number, because it can be changed into a prime (13813131263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181901 + ... + 1193530.

It is an arithmetic number, because the mean of its divisors is an integer number (2073752136).

Almost surely, 2^13813131265 is an apocalyptic number.

It is an amenable number.

13813131265 is a deficient number, since it is larger than the sum of its proper divisors (2776885823).

13813131265 is a wasteful number, since it uses less digits than its factorization.

13813131265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376599.

The product of its digits is 12960, while the sum is 34.

The spelling of 13813131265 in words is "thirteen billion, eight hundred thirteen million, one hundred thirty-one thousand, two hundred sixty-five".