1365475980 has 48 divisors (see below), whose sum is σ = 4170910464. Its totient is φ = 331024320.

The previous prime is 1365475967. The next prime is 1365475997. The reversal of 1365475980 is 895745631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033792 + ... + 1035111.

It is an arithmetic number, because the mean of its divisors is an integer number (86893968).

Almost surely, 2^1365475980 is an apocalyptic number.

1365475980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365475980 is an abundant number, since it is smaller than the sum of its proper divisors (2805434484).

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

1365475980 is a wasteful number, since it uses less digits than its factorization.

1365475980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068926 (or 2068924 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 1365475980 is about 36952.3474220516. The cubic root of 1365475980 is about 1109.4166726447.

The spelling of 1365475980 in words is "one billion, three hundred sixty-five million, four hundred seventy-five thousand, nine hundred eighty".