1382915565 has 16 divisors (see below), whose sum is σ = 2458516800. Its totient is φ = 737554896.

The previous prime is 1382915563. The next prime is 1382915579. The reversal of 1382915565 is 5655192831.

1382915565 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 91 + 556 + 5 = 666.

1382915565 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1382915565 - 2¹ = 1382915563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1382915565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382915563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5121775 + ... + 5122044.

It is an arithmetic number, because the mean of its divisors is an integer number (153657300).

Almost surely, 2^1382915565 is an apocalyptic number.

1382915565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382915565 is a deficient number, since it is larger than the sum of its proper divisors (1075601235).

1382915565 is a wasteful number, since it uses less digits than its factorization.

1382915565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243833 (or 10243827 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 1382915565 is about 37187.5727226180. The cubic root of 1382915565 is about 1114.1197890089.

The spelling of 1382915565 in words is "one billion, three hundred eighty-two million, nine hundred fifteen thousand, five hundred sixty-five".