1310663405376 has 140 divisors (see below), whose sum is σ = 4184079982852. Its totient is φ = 403281027072.

The previous prime is 1310663405357. The next prime is 1310663405399. The reversal of 1310663405376 is 6735043660131.

1310663405376 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 6 + 634 + 0 + 5 + 3 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 556933838400 + 753729566976 = 746280^2 + 868176^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9656785 + ... + 9791568.

Almost surely, 2^{1310663405376} is an apocalyptic number.

1310663405376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1310663405376 is an abundant number, since it is smaller than the sum of its proper divisors (2873416577476).

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

1310663405376 is a wasteful number, since it uses less digits than its factorization.

1310663405376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19448390 (or 19448371 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 1310663405376 in words is "one trillion, three hundred ten billion, six hundred sixty-three million, four hundred five thousand, three hundred seventy-six".