139048464 has 40 divisors (see below), whose sum is σ = 361038400. Its totient is φ = 46113408.

The previous prime is 139048387. The next prime is 139048471. The reversal of 139048464 is 464840931.

It is a happy 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, 2274 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (9025960).

Almost surely, 2^139048464 is an apocalyptic number.

It is an amenable number.

139048464 is an abundant number, since it is smaller than the sum of its proper divisors (221989936).

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

139048464 is a wasteful number, since it uses less digits than its factorization.

139048464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767 (or 14761 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 139048464 is about 11791.8812748433. The cubic root of 139048464 is about 518.0703432047.

The spelling of 139048464 in words is "one hundred thirty-nine million, forty-eight thousand, four hundred sixty-four".