138052504 has 16 divisors (see below), whose sum is σ = 259279920. Its totient is φ = 68911200.

The previous prime is 138052477. The next prime is 138052531. The reversal of 138052504 is 405250831.

138052504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138052477) and next prime (138052531).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9172 + ... + 18979.

It is an arithmetic number, because the mean of its divisors is an integer number (16204995).

Almost surely, 2^138052504 is an apocalyptic number.

It is an amenable number.

138052504 is a deficient number, since it is larger than the sum of its proper divisors (121227416).

138052504 is a wasteful number, since it uses less digits than its factorization.

138052504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28770 (or 28766 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 138052504 is about 11749.5746305983. The cubic root of 138052504 is about 516.8304537036.

The spelling of 138052504 in words is "one hundred thirty-eight million, fifty-two thousand, five hundred four".