139860764 has 12 divisors (see below), whose sum is σ = 245425824. Its totient is φ = 69739104.

The previous prime is 139860733. The next prime is 139860803. The reversal of 139860764 is 467068931.

It is a super-2 number, since 2×139860764² = 39122066613327392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 46169 + ... + 49104.

It is an arithmetic number, because the mean of its divisors is an integer number (20452152).

Almost surely, 2^139860764 is an apocalyptic number.

It is an amenable number.

139860764 is a deficient number, since it is larger than the sum of its proper divisors (105565060).

139860764 is a wasteful number, since it uses less digits than its factorization.

139860764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95644 (or 95642 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 139860764 is about 11826.2743076592. The cubic root of 139860764 is about 519.0772144898.

The spelling of 139860764 in words is "one hundred thirty-nine million, eight hundred sixty thousand, seven hundred sixty-four".