1310139787684 has 72 divisors (see below), whose sum is σ = 2855418030528. Its totient is φ = 514995511680.

The previous prime is 1310139787681. The next prime is 1310139787699. The reversal of 1310139787684 is 4867879310131.

It is not an unprimeable number, because it can be changed into a prime (1310139787681) 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 23 ways as a sum of consecutive naturals, for example, 138822 + ... + 1624669.

Almost surely, 2^{1310139787684} is an apocalyptic number.

1310139787684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1310139787684 is an abundant number, since it is smaller than the sum of its proper divisors (1545278242844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310139787684 is a wasteful number, since it uses less digits than its factorization.

1310139787684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763685 (or 1763670 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 1310139787684 in words is "one trillion, three hundred ten billion, one hundred thirty-nine million, seven hundred eighty-seven thousand, six hundred eighty-four".