1365513285 has 16 divisors (see below), whose sum is σ = 2260160640. Its totient is φ = 703160640.

The previous prime is 1365513277. The next prime is 1365513301. The reversal of 1365513285 is 5823155631.

It is not a de Polignac number, because 1365513285 - 2³ = 1365513277 is a prime.

It is a super-2 number, since 2×1365513285² = 3729253063022982450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569121 + ... + 1569990.

It is an arithmetic number, because the mean of its divisors is an integer number (141260040).

Almost surely, 2^1365513285 is an apocalyptic number.

1365513285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365513285 is a deficient number, since it is larger than the sum of its proper divisors (894647355).

1365513285 is a wasteful number, since it uses less digits than its factorization.

1365513285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139148.

The product of its digits is 108000, while the sum is 39.

The square root of 1365513285 is about 36952.8521903249. The cubic root of 1365513285 is about 1109.4267756937.

The spelling of 1365513285 in words is "one billion, three hundred sixty-five million, five hundred thirteen thousand, two hundred eighty-five".