1276530007131 has 32 divisors (see below), whose sum is σ = 1990796832000. Its totient is φ = 806186240064.

The previous prime is 1276530007127. The next prime is 1276530007147. The reversal of 1276530007131 is 1317000356721.

1276530007131 is a `hidden beast` number, since 1 + 27 + 6 + 530 + 0 + 0 + 71 + 31 = 666.

It is not a de Polignac number, because 1276530007131 - 2² = 1276530007127 is a prime.

It is a super-2 number, since 2×1276530007131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1276530007631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11440296 + ... + 11551338.

It is an arithmetic number, because the mean of its divisors is an integer number (62212401000).

Almost surely, 2^{1276530007131} is an apocalyptic number.

1276530007131 is a deficient number, since it is larger than the sum of its proper divisors (714266824869).

1276530007131 is a wasteful number, since it uses less digits than its factorization.

1276530007131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133480 (or 133474 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 1276530007131 in words is "one trillion, two hundred seventy-six billion, five hundred thirty million, seven thousand, one hundred thirty-one".