138751319375 has 20 divisors (see below), whose sum is σ = 174341711544. Its totient is φ = 110387700000.

The previous prime is 138751319353. The next prime is 138751319407. The reversal of 138751319375 is 573913157831.

It is not a de Polignac number, because 138751319375 - 2¹² = 138751315279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 500141 + ... + 726390.

Almost surely, 2^138751319375 is an apocalyptic number.

138751319375 is a deficient number, since it is larger than the sum of its proper divisors (35590392169).

138751319375 is an equidigital number, since it uses as much as digits as its factorization.

138751319375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226732 (or 1226717 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 53.

The spelling of 138751319375 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, three hundred nineteen thousand, three hundred seventy-five".