13979138396 has 12 divisors (see below), whose sum is σ = 24464543880. Its totient is φ = 6989268720.

The previous prime is 13979138377. The next prime is 13979138423. The reversal of 13979138396 is 69383197931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54350 + ... + 175818.

It is an arithmetic number, because the mean of its divisors is an integer number (2038711990).

Almost surely, 2^13979138396 is an apocalyptic number.

It is an amenable number.

13979138396 is a deficient number, since it is larger than the sum of its proper divisors (10485405484).

13979138396 is a wasteful number, since it uses less digits than its factorization.

13979138396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150244 (or 150242 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 59.

The spelling of 13979138396 in words is "thirteen billion, nine hundred seventy-nine million, one hundred thirty-eight thousand, three hundred ninety-six".