1313425653156 has 72 divisors (see below), whose sum is σ = 3435252420600. Its totient is φ = 422623111680.

The previous prime is 1313425653149. The next prime is 1313425653157. The reversal of 1313425653156 is 6513565243131.

1313425653156 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 2 + 565 + 31 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 274995360000 + 1038430293156 = 524400^2 + 1019034^2 .

It is not an unprimeable number, because it can be changed into a prime (1313425653157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4945480 + ... + 5204288.

It is an arithmetic number, because the mean of its divisors is an integer number (47711839175).

Almost surely, 2^{1313425653156} is an apocalyptic number.

It is an amenable number.

1313425653156 is an abundant number, since it is smaller than the sum of its proper divisors (2121826767444).

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

1313425653156 is a wasteful number, since it uses less digits than its factorization.

1313425653156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263709 (or 263704 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 1313425653156 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, six hundred fifty-three thousand, one hundred fifty-six".