138254125 has 16 divisors (see below), whose sum is σ = 173878848. Its totient is φ = 109746000.

The previous prime is 138254093. The next prime is 138254143. The reversal of 138254125 is 521452831.

It is not a de Polignac number, because 138254125 - 2⁵ = 138254093 is a prime.

It is a super-2 number, since 2×138254125² = 38228406159031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12154 + ... + 20596.

It is an arithmetic number, because the mean of its divisors is an integer number (10867428).

Almost surely, 2^138254125 is an apocalyptic number.

It is an amenable number.

138254125 is a deficient number, since it is larger than the sum of its proper divisors (35624723).

138254125 is an equidigital number, since it uses as much as digits as its factorization.

138254125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8579 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 138254125 is about 11758.1514278393. The cubic root of 138254125 is about 517.0819357660.

The spelling of 138254125 in words is "one hundred thirty-eight million, two hundred fifty-four thousand, one hundred twenty-five".