138379135 has 8 divisors (see below), whose sum is σ = 166129920. Its totient is φ = 110653344.

The previous prime is 138379127. The next prime is 138379151. The reversal of 138379135 is 531973831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138379135 - 2³ = 138379127 is a prime.

It is a congruent 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, 9589 + ... + 19201.

It is an arithmetic number, because the mean of its divisors is an integer number (20766240).

Almost surely, 2^138379135 is an apocalyptic number.

138379135 is a deficient number, since it is larger than the sum of its proper divisors (27750785).

138379135 is an equidigital number, since it uses as much as digits as its factorization.

138379135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12497.

The product of its digits is 68040, while the sum is 40.

The square root of 138379135 is about 11763.4661133528. The cubic root of 138379135 is about 517.2377380850.

The spelling of 138379135 in words is "one hundred thirty-eight million, three hundred seventy-nine thousand, one hundred thirty-five".