138831277035 has 32 divisors (see below), whose sum is σ = 250679681280. Its totient is φ = 64991024000.

The previous prime is 138831277033. The next prime is 138831277043. The reversal of 138831277035 is 530772138831.

It is not a de Polignac number, because 138831277035 - 2¹ = 138831277033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138831277033) 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, 14502141 + ... + 14511710.

It is an arithmetic number, because the mean of its divisors is an integer number (7833740040).

Almost surely, 2^138831277035 is an apocalyptic number.

138831277035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138831277035 is a deficient number, since it is larger than the sum of its proper divisors (111848404245).

138831277035 is a wasteful number, since it uses less digits than its factorization.

138831277035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29013899.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 138831277035 in words is "one hundred thirty-eight billion, eight hundred thirty-one million, two hundred seventy-seven thousand, thirty-five".