139530903664 has 20 divisors (see below), whose sum is σ = 270361037304. Its totient is φ = 69760313408.

The previous prime is 139530903619. The next prime is 139530903671. The reversal of 139530903664 is 466309035931.

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, 92182 + ... + 536245.

Almost surely, 2^139530903664 is an apocalyptic number.

It is an amenable number.

139530903664 is a deficient number, since it is larger than the sum of its proper divisors (130830133640).

139530903664 is a wasteful number, since it uses less digits than its factorization.

139530903664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642312 (or 642306 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 49.

The spelling of 139530903664 in words is "one hundred thirty-nine billion, five hundred thirty million, nine hundred three thousand, six hundred sixty-four".