138751376375 has 16 divisors (see below), whose sum is σ = 173180751744. Its totient is φ = 110988900000.

The previous prime is 138751376287. The next prime is 138751376377. The reversal of 138751376375 is 573673157831.

It is a happy number.

It is not a de Polignac number, because 138751376375 - 2¹⁰ = 138751375351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138751376375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138751376377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181570 + ... + 1293680.

It is an arithmetic number, because the mean of its divisors is an integer number (10823796984).

Almost surely, 2^138751376375 is an apocalyptic number.

138751376375 is a deficient number, since it is larger than the sum of its proper divisors (34429375369).

138751376375 is an equidigital number, since it uses as much as digits as its factorization.

138751376375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122027 (or 122017 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 56.

The spelling of 138751376375 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, three hundred seventy-six thousand, three hundred seventy-five".