1276614137 has 2 divisors, whose sum is σ = 1276614138. Its totient is φ = 1276614136.

The previous prime is 1276614107. The next prime is 1276614139. The reversal of 1276614137 is 7314166721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712836601 + 563777536 = 26699^2 + 23744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1276614137 - 2¹⁴ = 1276597753 is a prime.

Together with 1276614139, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1276614137.

It is not a weakly prime, because it can be changed into another prime (1276614139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638307068 + 638307069.

It is an arithmetic number, because the mean of its divisors is an integer number (638307069).

Almost surely, 2^1276614137 is an apocalyptic number.

It is an amenable number.

1276614137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276614137 is an equidigital number, since it uses as much as digits as its factorization.

1276614137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 1276614137 is about 35729.7374325645. The cubic root of 1276614137 is about 1084.8088422817.

The spelling of 1276614137 in words is "one billion, two hundred seventy-six million, six hundred fourteen thousand, one hundred thirty-seven".