1365605916 has 48 divisors (see below), whose sum is σ = 3282180384. Its totient is φ = 441593856.

The previous prime is 1365605881. The next prime is 1365605957. The reversal of 1365605916 is 6195065631.

It is a congruent number.

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, 152376 + ... + 161088.

It is an arithmetic number, because the mean of its divisors is an integer number (68378758).

Almost surely, 2^1365605916 is an apocalyptic number.

It is an amenable number.

1365605916 is an abundant number, since it is smaller than the sum of its proper divisors (1916574468).

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

1365605916 is a wasteful number, since it uses less digits than its factorization.

1365605916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9108 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1365605916 is about 36954.1055364624. The cubic root of 1365605916 is about 1109.4518614958.

The spelling of 1365605916 in words is "one billion, three hundred sixty-five million, six hundred five thousand, nine hundred sixteen".