1370857864 has 16 divisors (see below), whose sum is σ = 2570778000. Its totient is φ = 685317072.

The previous prime is 1370857843. The next prime is 1370857871. The reversal of 1370857864 is 4687580731.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 63087 + ... + 81985.

It is an arithmetic number, because the mean of its divisors is an integer number (160673625).

Almost surely, 2^1370857864 is an apocalyptic number.

It is an amenable number.

1370857864 is a deficient number, since it is larger than the sum of its proper divisors (1199920136).

1370857864 is a wasteful number, since it uses less digits than its factorization.

1370857864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27972 (or 27968 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 1370857864 is about 37025.0977581424. The cubic root of 1370857864 is about 1110.8723127022.

The spelling of 1370857864 in words is "one billion, three hundred seventy million, eight hundred fifty-seven thousand, eight hundred sixty-four".