1313615895 has 16 divisors (see below), whose sum is σ = 2107340160. Its totient is φ = 698743584.

The previous prime is 1313615839. The next prime is 1313615903. The reversal of 1313615895 is 5985163131.

It is not a de Polignac number, because 1313615895 - 2⁹ = 1313615383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109849 + ... + 121218.

It is an arithmetic number, because the mean of its divisors is an integer number (131708760).

Almost surely, 2^1313615895 is an apocalyptic number.

1313615895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313615895 is a deficient number, since it is larger than the sum of its proper divisors (793724265).

1313615895 is a wasteful number, since it uses less digits than its factorization.

1313615895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231454.

The product of its digits is 97200, while the sum is 42.

The square root of 1313615895 is about 36243.8394075462. The cubic root of 1313615895 is about 1095.1899880930.

The spelling of 1313615895 in words is "one billion, three hundred thirteen million, six hundred fifteen thousand, eight hundred ninety-five".