1276766315137 has 16 divisors (see below), whose sum is σ = 1338386087808. Its totient is φ = 1215661392000.

The previous prime is 1276766315089. The next prime is 1276766315161. The reversal of 1276766315137 is 7315136676721.

It is a cyclic number.

It is not a de Polignac number, because 1276766315137 - 2⁷ = 1276766315009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276766315437) 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 in 15 ways as a sum of consecutive naturals, for example, 9708373 + ... + 9839005.

It is an arithmetic number, because the mean of its divisors is an integer number (83649130488).

Almost surely, 2^{1276766315137} is an apocalyptic number.

It is an amenable number.

1276766315137 is a deficient number, since it is larger than the sum of its proper divisors (61619772671).

1276766315137 is a wasteful number, since it uses less digits than its factorization.

1276766315137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132600.

The product of its digits is 6667920, while the sum is 55.

The spelling of 1276766315137 in words is "one trillion, two hundred seventy-six billion, seven hundred sixty-six million, three hundred fifteen thousand, one hundred thirty-seven".