138925194 has 8 divisors (see below), whose sum is σ = 277850400. Its totient is φ = 46308396.

The previous prime is 138925183. The next prime is 138925201. The reversal of 138925194 is 491529831.

It is a sphenic number, since it is the product of 3 distinct primes.

138925194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11577094 + ... + 11577105.

It is an arithmetic number, because the mean of its divisors is an integer number (34731300).

Almost surely, 2^138925194 is an apocalyptic number.

138925194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138925194 is a wasteful number, since it uses less digits than its factorization.

138925194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23154204.

The product of its digits is 77760, while the sum is 42.

The square root of 138925194 is about 11786.6532145474. The cubic root of 138925194 is about 517.9172037631.

The spelling of 138925194 in words is "one hundred thirty-eight million, nine hundred twenty-five thousand, one hundred ninety-four".