139795225 has 36 divisors (see below), whose sum is σ = 184146820. Its totient is φ = 105235200.

The previous prime is 139795189. The next prime is 139795231. The reversal of 139795225 is 522597931.

It can be written as a sum of positive squares in 18 ways, for example, as 111450249 + 28344976 = 10557^2 + 5324^2 .

It is not a de Polignac number, because 139795225 - 2¹¹ = 139793177 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1282471 + ... + 1282579.

Almost surely, 2^139795225 is an apocalyptic number.

It is an amenable number.

139795225 is a deficient number, since it is larger than the sum of its proper divisors (44351595).

139795225 is a wasteful number, since it uses less digits than its factorization.

139795225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 204 counting only the distinct ones).

The product of its digits is 170100, while the sum is 43.

The square root of 139795225 is about 11823.5030764998. The cubic root of 139795225 is about 518.9961216565.

The spelling of 139795225 in words is "one hundred thirty-nine million, seven hundred ninety-five thousand, two hundred twenty-five".