138750125025 has 12 divisors (see below), whose sum is σ = 229400206832. Its totient is φ = 74000066640.

The previous prime is 138750125009. The next prime is 138750125051. The reversal of 138750125025 is 520521057831.

It is not a de Polignac number, because 138750125025 - 2⁴ = 138750125009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 925000759 + ... + 925000908.

Almost surely, 2^138750125025 is an apocalyptic number.

138750125025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138750125025 is a deficient number, since it is larger than the sum of its proper divisors (90650081807).

138750125025 is a wasteful number, since it uses less digits than its factorization.

138750125025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850001680 (or 1850001675 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 138750125025 in words is "one hundred thirty-eight billion, seven hundred fifty million, one hundred twenty-five thousand, twenty-five".