276136769 has 2 divisors, whose sum is σ = 276136770. Its totient is φ = 276136768.

The previous prime is 276136739. The next prime is 276136793. The reversal of 276136769 is 967631672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189888400 + 86248369 = 13780^2 + 9287^2 .

It is a cyclic number.

It is not a de Polignac number, because 276136769 - 2²⁸ = 7701313 is a prime.

It is a super-2 number, since 2×276136769² = 152503030387518722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (276136739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138068384 + 138068385.

It is an arithmetic number, because the mean of its divisors is an integer number (138068385).

Almost surely, 2^276136769 is an apocalyptic number.

It is an amenable number.

276136769 is a deficient number, since it is larger than the sum of its proper divisors (1).

276136769 is an equidigital number, since it uses as much as digits as its factorization.

276136769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 276136769 is about 16617.3634792045. The cubic root of 276136769 is about 651.1905352528.

The spelling of 276136769 in words is "two hundred seventy-six million, one hundred thirty-six thousand, seven hundred sixty-nine".