1314857864 has 16 divisors (see below), whose sum is σ = 2525489820. Its totient is φ = 641393920.

The previous prime is 1314857861. The next prime is 1314857879. The reversal of 1314857864 is 4687584131.

It can be written as a sum of positive squares in 2 ways, for example, as 1158857764 + 156000100 = 34042^2 + 12490^2 .

It is not an unprimeable number, because it can be changed into a prime (1314857861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004029 + ... + 2004684.

Almost surely, 2^1314857864 is an apocalyptic number.

It is an amenable number.

1314857864 is a deficient number, since it is larger than the sum of its proper divisors (1210631956).

1314857864 is a wasteful number, since it uses less digits than its factorization.

1314857864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008760 (or 4008756 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 1314857864 is about 36260.9688783960. The cubic root of 1314857864 is about 1095.5350315150.

The spelling of 1314857864 in words is "one billion, three hundred fourteen million, eight hundred fifty-seven thousand, eight hundred sixty-four".