138875000125 has 32 divisors (see below), whose sum is σ = 178200142848. Its totient is φ = 107989200000.

The previous prime is 138875000123. The next prime is 138875000141. The reversal of 138875000125 is 521000578831.

It is not a de Polignac number, because 138875000125 - 2¹ = 138875000123 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 (138875000123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1338880 + ... + 1438870.

It is an arithmetic number, because the mean of its divisors is an integer number (5568754464).

Almost surely, 2^138875000125 is an apocalyptic number.

It is an amenable number.

138875000125 is a deficient number, since it is larger than the sum of its proper divisors (39325142723).

138875000125 is an equidigital number, since it uses as much as digits as its factorization.

138875000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100318 (or 100308 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

Adding to 138875000125 its reverse (521000578831), we get a palindrome (659875578956).

The spelling of 138875000125 in words is "one hundred thirty-eight billion, eight hundred seventy-five million, one hundred twenty-five", and thus it is an aban number.