275974938137 has 2 divisors, whose sum is σ = 275974938138. Its totient is φ = 275974938136.

The previous prime is 275974938097. The next prime is 275974938163. The reversal of 275974938137 is 731839479572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151094686681 + 124880251456 = 388709^2 + 353384^2 .

It is a cyclic number.

It is not a de Polignac number, because 275974938137 - 2²⁶ = 275907829273 is a prime.

It is not a weakly prime, because it can be changed into another prime (275974938637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137987469068 + 137987469069.

It is an arithmetic number, because the mean of its divisors is an integer number (137987469069).

Almost surely, 2^275974938137 is an apocalyptic number.

It is an amenable number.

275974938137 is a deficient number, since it is larger than the sum of its proper divisors (1).

275974938137 is an equidigital number, since it uses as much as digits as its factorization.

275974938137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 65.

The spelling of 275974938137 in words is "two hundred seventy-five billion, nine hundred seventy-four million, nine hundred thirty-eight thousand, one hundred thirty-seven".