13157954642 has 64 divisors (see below), whose sum is σ = 23295976704. Its totient is φ = 5458129920.

The previous prime is 13157954639. The next prime is 13157954657. The reversal of 13157954642 is 24645975131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15353078 + ... + 15353934.

It is an arithmetic number, because the mean of its divisors is an integer number (363999636).

Almost surely, 2^13157954642 is an apocalyptic number.

13157954642 is a deficient number, since it is larger than the sum of its proper divisors (10138022062).

13157954642 is a wasteful number, since it uses less digits than its factorization.

13157954642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 907200, while the sum is 47.

The spelling of 13157954642 in words is "thirteen billion, one hundred fifty-seven million, nine hundred fifty-four thousand, six hundred forty-two".