139935275 has 6 divisors (see below), whose sum is σ = 173519772. Its totient is φ = 111948200.

The previous prime is 139935269. The next prime is 139935277. The reversal of 139935275 is 572539931.

It is a de Polignac number, because none of the positive numbers 2^k-139935275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139935277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2798681 + ... + 2798730.

It is an arithmetic number, because the mean of its divisors is an integer number (28919962).

Almost surely, 2^139935275 is an apocalyptic number.

139935275 is a deficient number, since it is larger than the sum of its proper divisors (33584497).

139935275 is an equidigital number, since it uses as much as digits as its factorization.

139935275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597421 (or 5597416 counting only the distinct ones).

The product of its digits is 255150, while the sum is 44.

The square root of 139935275 is about 11829.4241195419. The cubic root of 139935275 is about 519.1693778072.

The spelling of 139935275 in words is "one hundred thirty-nine million, nine hundred thirty-five thousand, two hundred seventy-five".