139465528 has 16 divisors (see below), whose sum is σ = 269933760. Its totient is φ = 67483200.

The previous prime is 139465493. The next prime is 139465549. The reversal of 139465528 is 825564931.

139465528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 280933 + ... + 281428.

It is an arithmetic number, because the mean of its divisors is an integer number (16870860).

Almost surely, 2^139465528 is an apocalyptic number.

It is an amenable number.

139465528 is a deficient number, since it is larger than the sum of its proper divisors (130468232).

139465528 is a wasteful number, since it uses less digits than its factorization.

139465528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562398 (or 562394 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 139465528 is about 11809.5524047273. The cubic root of 139465528 is about 518.5877954568.

The spelling of 139465528 in words is "one hundred thirty-nine million, four hundred sixty-five thousand, five hundred twenty-eight".