13920690376 has 8 divisors (see below), whose sum is σ = 26101294470. Its totient is φ = 6960345184.

The previous prime is 13920690359. The next prime is 13920690383. The reversal of 13920690376 is 67309602931.

It can be written as a sum of positive squares in only one way, i.e., 10859724100 + 3060966276 = 104210^2 + 55326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870043141 + ... + 870043156.

Almost surely, 2^13920690376 is an apocalyptic number.

It is an amenable number.

13920690376 is a deficient number, since it is larger than the sum of its proper divisors (12180604094).

13920690376 is a wasteful number, since it uses less digits than its factorization.

13920690376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740086303 (or 1740086299 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 13920690376 in words is "thirteen billion, nine hundred twenty million, six hundred ninety thousand, three hundred seventy-six".