138751276389 has 32 divisors (see below), whose sum is σ = 207770088960. Its totient is φ = 81623361600.

The previous prime is 138751276337. The next prime is 138751276397. The reversal of 138751276389 is 983672157831.

It is a happy number.

It is not a de Polignac number, because 138751276389 - 2²⁴ = 138734499173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138751276289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375994 + ... + 647204.

It is an arithmetic number, because the mean of its divisors is an integer number (6492815280).

Almost surely, 2^138751276389 is an apocalyptic number.

It is an amenable number.

138751276389 is a deficient number, since it is larger than the sum of its proper divisors (69018812571).

138751276389 is a wasteful number, since it uses less digits than its factorization.

138751276389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271681.

The product of its digits is 15240960, while the sum is 60.

The spelling of 138751276389 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, two hundred seventy-six thousand, three hundred eighty-nine".