139104225 has 72 divisors (see below), whose sum is σ = 282551360. Its totient is φ = 64851840.

The previous prime is 139104197. The next prime is 139104233. The reversal of 139104225 is 522401931.

It is not a de Polignac number, because 139104225 - 2²² = 134909921 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 54324 + ... + 56826.

Almost surely, 2^139104225 is an apocalyptic number.

139104225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139104225 is an abundant number, since it is smaller than the sum of its proper divisors (143447135).

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

139104225 is a wasteful number, since it uses less digits than its factorization.

139104225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 139104225 is about 11794.2454188473. The cubic root of 139104225 is about 518.1395858723.

The spelling of 139104225 in words is "one hundred thirty-nine million, one hundred four thousand, two hundred twenty-five".