13143815994 has 16 divisors (see below), whose sum is σ = 26397624960. Its totient is φ = 4362939840.

The previous prime is 13143815987. The next prime is 13143816013. The reversal of 13143815994 is 49951834131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581487 + ... + 4584354.

It is an arithmetic number, because the mean of its divisors is an integer number (1649851560).

Almost surely, 2^13143815994 is an apocalyptic number.

13143815994 is an abundant number, since it is smaller than the sum of its proper divisors (13253808966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143815994 is a wasteful number, since it uses less digits than its factorization.

13143815994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166085.

The product of its digits is 466560, while the sum is 48.

The spelling of 13143815994 in words is "thirteen billion, one hundred forty-three million, eight hundred fifteen thousand, nine hundred ninety-four".