138659703 has 32 divisors (see below), whose sum is σ = 228243456. Its totient is φ = 72914688.

The previous prime is 138659693. The next prime is 138659707. The reversal of 138659703 is 307956831.

It is not a de Polignac number, because 138659703 - 2⁴ = 138659687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138659707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125851 + ... + 126947.

It is an arithmetic number, because the mean of its divisors is an integer number (7132608).

Almost surely, 2^138659703 is an apocalyptic number.

138659703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138659703 is a deficient number, since it is larger than the sum of its proper divisors (89583753).

138659703 is a wasteful number, since it uses less digits than its factorization.

138659703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 138659703 is about 11775.3854713975. The cubic root of 138659703 is about 517.5870739617.

The spelling of 138659703 in words is "one hundred thirty-eight million, six hundred fifty-nine thousand, seven hundred three".