139036764 has 24 divisors (see below), whose sum is σ = 325391248. Its totient is φ = 46206720.

The previous prime is 139036757. The next prime is 139036783. The reversal of 139036764 is 467630931.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13147 + ... + 21234.

Almost surely, 2^139036764 is an apocalyptic number.

It is an amenable number.

139036764 is an abundant number, since it is smaller than the sum of its proper divisors (186354484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139036764 is a wasteful number, since it uses less digits than its factorization.

139036764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34725 (or 34723 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 139036764 is about 11791.3851603618. The cubic root of 139036764 is about 518.0558120769.

The spelling of 139036764 in words is "one hundred thirty-nine million, thirty-six thousand, seven hundred sixty-four".