1365881360 has 40 divisors (see below), whose sum is σ = 3177861336. Its totient is φ = 545976320.

The previous prime is 1365881357. The next prime is 1365881383. The reversal of 1365881360 is 631885631.

It can be written as a sum of positive squares in 4 ways, for example, as 504811024 + 861070336 = 22468^2 + 29344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 130730 + ... + 140790.

Almost surely, 2^1365881360 is an apocalyptic number.

1365881360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365881360 is an abundant number, since it is smaller than the sum of its proper divisors (1811979976).

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

1365881360 is a wasteful number, since it uses less digits than its factorization.

1365881360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11771 (or 11765 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1365881360 is about 36957.8321875080. The cubic root of 1365881360 is about 1109.5264489765.

The spelling of 1365881360 in words is "one billion, three hundred sixty-five million, eight hundred eighty-one thousand, three hundred sixty".