1315857653 has 8 divisors (see below), whose sum is σ = 1436899296. Its totient is φ = 1195052400.

The previous prime is 1315857619. The next prime is 1315857667. The reversal of 1315857653 is 3567585131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315857653 - 2¹⁰ = 1315856629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315857253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47351 + ... + 69812.

It is an arithmetic number, because the mean of its divisors is an integer number (179612412).

Almost surely, 2^1315857653 is an apocalyptic number.

It is an amenable number.

1315857653 is a deficient number, since it is larger than the sum of its proper divisors (121041643).

1315857653 is a wasteful number, since it uses less digits than its factorization.

1315857653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118195.

The product of its digits is 378000, while the sum is 44.

The square root of 1315857653 is about 36274.7522803396. The cubic root of 1315857653 is about 1095.8126347465.

The spelling of 1315857653 in words is "one billion, three hundred fifteen million, eight hundred fifty-seven thousand, six hundred fifty-three".