139025275 has 24 divisors (see below), whose sum is σ = 179318880. Its totient is φ = 106794240.

The previous prime is 139025273. The next prime is 139025291. The reversal of 139025275 is 572520931.

It is not a de Polignac number, because 139025275 - 2¹ = 139025273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139025275.

It is not an unprimeable number, because it can be changed into a prime (139025273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168514 + ... + 169336.

It is an arithmetic number, because the mean of its divisors is an integer number (7471620).

Almost surely, 2^139025275 is an apocalyptic number.

139025275 is a deficient number, since it is larger than the sum of its proper divisors (40293605).

139025275 is a wasteful number, since it uses less digits than its factorization.

139025275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 139025275 is about 11790.8979725889. The cubic root of 139025275 is about 518.0415422128.

The spelling of 139025275 in words is "one hundred thirty-nine million, twenty-five thousand, two hundred seventy-five".