275670139 has 2 divisors, whose sum is σ = 275670140. Its totient is φ = 275670138.

The previous prime is 275670133. The next prime is 275670151. The reversal of 275670139 is 931076572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275670139 - 2⁹ = 275669627 is a prime.

It is not a weakly prime, because it can be changed into another prime (275670133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137835069 + 137835070.

It is an arithmetic number, because the mean of its divisors is an integer number (137835070).

Almost surely, 2^275670139 is an apocalyptic number.

275670139 is a deficient number, since it is larger than the sum of its proper divisors (1).

275670139 is an equidigital number, since it uses as much as digits as its factorization.

275670139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 275670139 is about 16603.3171083371. The cubic root of 275670139 is about 650.8235234472.

The spelling of 275670139 in words is "two hundred seventy-five million, six hundred seventy thousand, one hundred thirty-nine".