138250825625 has 20 divisors (see below), whose sum is σ = 188463534864. Its totient is φ = 100546050000.

The previous prime is 138250825561. The next prime is 138250825667. The reversal of 138250825625 is 526528052831.

It is not a de Polignac number, because 138250825625 - 2⁶ = 138250825561 is a prime.

It is a super-2 number, since 2×138250825625² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138250825625.

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, 10047731 + ... + 10061480.

Almost surely, 2^138250825625 is an apocalyptic number.

It is an amenable number.

138250825625 is a deficient number, since it is larger than the sum of its proper divisors (50212709239).

138250825625 is an equidigital number, since it uses as much as digits as its factorization.

138250825625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109242 (or 20109227 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 138250825625 in words is "one hundred thirty-eight billion, two hundred fifty million, eight hundred twenty-five thousand, six hundred twenty-five".