139353963904 has 32 divisors (see below), whose sum is σ = 277801898040. Its totient is φ = 69631134720.

The previous prime is 139353963901. The next prime is 139353963911. The reversal of 139353963904 is 409369353931.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139353963901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162477 + ... + 552364.

Almost surely, 2^139353963904 is an apocalyptic number.

It is an amenable number.

139353963904 is a deficient number, since it is larger than the sum of its proper divisors (138447934136).

139353963904 is an equidigital number, since it uses as much as digits as its factorization.

139353963904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716378 (or 716366 counting only the distinct ones).

The product of its (nonzero) digits is 7085880, while the sum is 55.

The spelling of 139353963904 in words is "one hundred thirty-nine billion, three hundred fifty-three million, nine hundred sixty-three thousand, nine hundred four".