138125012575 has 24 divisors (see below), whose sum is σ = 187380975600. Its totient is φ = 100166649600.

The previous prime is 138125012551. The next prime is 138125012591. The reversal of 138125012575 is 575210521831.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-138125012575 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623614 + ... + 815563.

It is an arithmetic number, because the mean of its divisors is an integer number (7807540650).

Almost surely, 2^138125012575 is an apocalyptic number.

138125012575 is a deficient number, since it is larger than the sum of its proper divisors (49255963025).

138125012575 is a wasteful number, since it uses less digits than its factorization.

138125012575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439547 (or 1439542 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 138125012575 in words is "one hundred thirty-eight billion, one hundred twenty-five million, twelve thousand, five hundred seventy-five".