139044275 has 12 divisors (see below), whose sum is σ = 182557512. Its totient is φ = 104691840.

The previous prime is 139044271. The next prime is 139044293. The reversal of 139044275 is 572440931.

It is not a de Polignac number, because 139044275 - 2² = 139044271 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139044271) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 163157 + ... + 164006.

It is an arithmetic number, because the mean of its divisors is an integer number (15213126).

Almost surely, 2^139044275 is an apocalyptic number.

139044275 is a deficient number, since it is larger than the sum of its proper divisors (43513237).

139044275 is a wasteful number, since it uses less digits than its factorization.

139044275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327190 (or 327185 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 139044275 is about 11791.7036512965. The cubic root of 139044275 is about 518.0651406578.

The spelling of 139044275 in words is "one hundred thirty-nine million, forty-four thousand, two hundred seventy-five".