138887625125 has 16 divisors (see below), whose sum is σ = 173784379392. Its totient is φ = 110819957200.

The previous prime is 138887625103. The next prime is 138887625127. The reversal of 138887625125 is 521526788831.

It is not a de Polignac number, because 138887625125 - 2¹⁶ = 138887559589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138887625127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402649 + ... + 1498398.

It is an arithmetic number, because the mean of its divisors is an integer number (10861523712).

Almost surely, 2^138887625125 is an apocalyptic number.

It is an amenable number.

138887625125 is a deficient number, since it is larger than the sum of its proper divisors (34896754267).

138887625125 is an equidigital number, since it uses as much as digits as its factorization.

138887625125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901445 (or 2901435 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 56.

The spelling of 138887625125 in words is "one hundred thirty-eight billion, eight hundred eighty-seven million, six hundred twenty-five thousand, one hundred twenty-five".