139302764 has 6 divisors (see below), whose sum is σ = 243779844. Its totient is φ = 69651380.

The previous prime is 139302749. The next prime is 139302769. The reversal of 139302764 is 467203931.

139302764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139302769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17412842 + ... + 17412849.

It is an arithmetic number, because the mean of its divisors is an integer number (40629974).

Almost surely, 2^139302764 is an apocalyptic number.

It is an amenable number.

139302764 is a deficient number, since it is larger than the sum of its proper divisors (104477080).

139302764 is a wasteful number, since it uses less digits than its factorization.

139302764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825695 (or 34825693 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 139302764 is about 11802.6591918940. The cubic root of 139302764 is about 518.3859766932.

The spelling of 139302764 in words is "one hundred thirty-nine million, three hundred two thousand, seven hundred sixty-four".