139225552 has 20 divisors (see below), whose sum is σ = 269946016. Its totient is φ = 69562080.

The previous prime is 139225547. The next prime is 139225573. The reversal of 139225552 is 255522931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30013 + ... + 34339.

Almost surely, 2^139225552 is an apocalyptic number.

It is an amenable number.

139225552 is a deficient number, since it is larger than the sum of its proper divisors (130720464).

139225552 is a wasteful number, since it uses less digits than its factorization.

139225552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346 (or 6340 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 139225552 is about 11799.3877807283. The cubic root of 139225552 is about 518.2901829123.

The spelling of 139225552 in words is "one hundred thirty-nine million, two hundred twenty-five thousand, five hundred fifty-two".