13131894959 has 8 divisors (see below), whose sum is σ = 13443088752. Its totient is φ = 12823050240.

The previous prime is 13131894943. The next prime is 13131894983. The reversal of 13131894959 is 95949813131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131894959 - 2⁴ = 13131894943 is a prime.

It is a super-2 number, since 2×13131894959² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 13131894959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131864959) 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, 575954 + ... + 598319.

It is an arithmetic number, because the mean of its divisors is an integer number (1680386094).

Almost surely, 2^13131894959 is an apocalyptic number.

13131894959 is a deficient number, since it is larger than the sum of its proper divisors (311193793).

13131894959 is a wasteful number, since it uses less digits than its factorization.

13131894959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174537.

The product of its digits is 1049760, while the sum is 53.

The spelling of 13131894959 in words is "thirteen billion, one hundred thirty-one million, eight hundred ninety-four thousand, nine hundred fifty-nine".