1315618136 has 16 divisors (see below), whose sum is σ = 2819181840. Its totient is φ = 563836320.

The previous prime is 1315618111. The next prime is 1315618169. The reversal of 1315618136 is 6318165131.

It is a super-2 number, since 2×1315618136² = 3461702159544228992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1315618096 and 1315618105.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11746535 + ... + 11746646.

It is an arithmetic number, because the mean of its divisors is an integer number (176198865).

Almost surely, 2^1315618136 is an apocalyptic number.

It is an amenable number.

1315618136 is an abundant number, since it is smaller than the sum of its proper divisors (1503563704).

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

1315618136 is a wasteful number, since it uses less digits than its factorization.

1315618136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23493194 (or 23493190 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 1315618136 is about 36271.4507016193. The cubic root of 1315618136 is about 1095.7461428326.

The spelling of 1315618136 in words is "one billion, three hundred fifteen million, six hundred eighteen thousand, one hundred thirty-six".