13890015265 has 32 divisors (see below), whose sum is σ = 20060651520. Its totient is φ = 9019283904.

The previous prime is 13890015259. The next prime is 13890015283. The reversal of 13890015265 is 56251009831.

It is a cyclic number.

It is not a de Polignac number, because 13890015265 - 2¹⁷ = 13889884193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2566192 + ... + 2571598.

It is an arithmetic number, because the mean of its divisors is an integer number (626895360).

Almost surely, 2^13890015265 is an apocalyptic number.

It is an amenable number.

13890015265 is a deficient number, since it is larger than the sum of its proper divisors (6170636255).

13890015265 is a wasteful number, since it uses less digits than its factorization.

13890015265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 13890015265 in words is "thirteen billion, eight hundred ninety million, fifteen thousand, two hundred sixty-five".