139225352 has 16 divisors (see below), whose sum is σ = 298340160. Its totient is φ = 59667984.

The previous prime is 139225351. The next prime is 139225399. The reversal of 139225352 is 253522931.

139225352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139225351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243028 + ... + 1243139.

It is an arithmetic number, because the mean of its divisors is an integer number (18646260).

Almost surely, 2^139225352 is an apocalyptic number.

It is an amenable number.

139225352 is an abundant number, since it is smaller than the sum of its proper divisors (159114808).

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

139225352 is a wasteful number, since it uses less digits than its factorization.

139225352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486180 (or 2486176 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 139225352 is about 11799.3793057093. The cubic root of 139225352 is about 518.2899347344.

The spelling of 139225352 in words is "one hundred thirty-nine million, two hundred twenty-five thousand, three hundred fifty-two".