1313566140525 has 24 divisors (see below), whose sum is σ = 2171973660384. Its totient is φ = 700500552000.

The previous prime is 1313566140511. The next prime is 1313566140581. The reversal of 1313566140525 is 5250416653131.

It is a happy number.

It is not a de Polignac number, because 1313566140525 - 2⁵ = 1313566140493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68751 + ... + 1622300.

It is an arithmetic number, because the mean of its divisors is an integer number (90498902516).

Almost surely, 2^{1313566140525} is an apocalyptic number.

1313566140525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313566140525 is a deficient number, since it is larger than the sum of its proper divisors (858407519859).

1313566140525 is a wasteful number, since it uses less digits than its factorization.

1313566140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701421 (or 1701416 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 1313566140525 in words is "one trillion, three hundred thirteen billion, five hundred sixty-six million, one hundred forty thousand, five hundred twenty-five".