1369860864 has 72 divisors (see below), whose sum is σ = 3804390912. Its totient is φ = 436761600.

The previous prime is 1369860859. The next prime is 1369860871. The reversal of 1369860864 is 4680689631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21112 + ... + 56439.

Almost surely, 2^1369860864 is an apocalyptic number.

It is an amenable number.

1369860864 is an abundant number, since it is smaller than the sum of its proper divisors (2434530048).

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

1369860864 is an equidigital number, since it uses as much as digits as its factorization.

1369860864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77593 (or 77579 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 1369860864 is about 37011.6314690396. The cubic root of 1369860864 is about 1110.6029416436.

The spelling of 1369860864 in words is "one billion, three hundred sixty-nine million, eight hundred sixty thousand, eight hundred sixty-four".