138825125 has 32 divisors (see below), whose sum is σ = 182856960. Its totient is φ = 105019200.

The previous prime is 138825121. The next prime is 138825131. The reversal of 138825125 is 521528831.

It is not a de Polignac number, because 138825125 - 2² = 138825121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138825121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313154 + ... + 313596.

It is an arithmetic number, because the mean of its divisors is an integer number (5714280).

Almost surely, 2^138825125 is an apocalyptic number.

It is an amenable number.

138825125 is a deficient number, since it is larger than the sum of its proper divisors (44031835).

138825125 is a wasteful number, since it uses less digits than its factorization.

138825125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 580 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 138825125 is about 11782.4074365131. The cubic root of 138825125 is about 517.7928205031.

The spelling of 138825125 in words is "one hundred thirty-eight million, eight hundred twenty-five thousand, one hundred twenty-five".