138926885735 has 16 divisors (see below), whose sum is σ = 185299397280. Its totient is φ = 99131360640.

The previous prime is 138926885731. The next prime is 138926885759. The reversal of 138926885735 is 537588629831.

It is not a de Polignac number, because 138926885735 - 2² = 138926885731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138926885731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23826740 + ... + 23832569.

It is an arithmetic number, because the mean of its divisors is an integer number (11581212330).

Almost surely, 2^138926885735 is an apocalyptic number.

138926885735 is a deficient number, since it is larger than the sum of its proper divisors (46372511545).

138926885735 is a wasteful number, since it uses less digits than its factorization.

138926885735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47659378.

The product of its digits is 87091200, while the sum is 65.

The spelling of 138926885735 in words is "one hundred thirty-eight billion, nine hundred twenty-six million, eight hundred eighty-five thousand, seven hundred thirty-five".