1365316680 has 128 divisors (see below), whose sum is σ = 5041209600. Its totient is φ = 288064512.

The previous prime is 1365316679. The next prime is 1365316691. The reversal of 1365316680 is 866135631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51595 + ... + 73434.

It is an arithmetic number, because the mean of its divisors is an integer number (39384450).

Almost surely, 2^1365316680 is an apocalyptic number.

1365316680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365316680 is an abundant number, since it is smaller than the sum of its proper divisors (3675892920).

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

1365316680 is a wasteful number, since it uses less digits than its factorization.

1365316680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125063 (or 125059 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1365316680 is about 36950.1918804219. The cubic root of 1365316680 is about 1109.3735284831.

The spelling of 1365316680 in words is "one billion, three hundred sixty-five million, three hundred sixteen thousand, six hundred eighty".