276695131 has 2 divisors, whose sum is σ = 276695132. Its totient is φ = 276695130.

The previous prime is 276695123. The next prime is 276695137. The reversal of 276695131 is 131596672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276695131 - 2³ = 276695123 is a prime.

It is a super-2 number, since 2×276695131² = 153120391038214322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276695137) 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 as a sum of consecutive naturals, namely, 138347565 + 138347566.

It is an arithmetic number, because the mean of its divisors is an integer number (138347566).

Almost surely, 2^276695131 is an apocalyptic number.

276695131 is a deficient number, since it is larger than the sum of its proper divisors (1).

276695131 is an equidigital number, since it uses as much as digits as its factorization.

276695131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 276695131 is about 16634.1555541602. The cubic root of 276695131 is about 651.6291527460.

The spelling of 276695131 in words is "two hundred seventy-six million, six hundred ninety-five thousand, one hundred thirty-one".