13900013765 has 8 divisors (see below), whose sum is σ = 18196381728. Its totient is φ = 10109100880.

The previous prime is 13900013747. The next prime is 13900013789. The reversal of 13900013765 is 56731000931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13900013765 - 2⁸ = 13900013509 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 126363707 + ... + 126363816.

It is an arithmetic number, because the mean of its divisors is an integer number (2274547716).

Almost surely, 2^13900013765 is an apocalyptic number.

It is an amenable number.

13900013765 is a deficient number, since it is larger than the sum of its proper divisors (4296367963).

13900013765 is a wasteful number, since it uses less digits than its factorization.

13900013765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252727539.

The product of its (nonzero) digits is 17010, while the sum is 35.

The spelling of 13900013765 in words is "thirteen billion, nine hundred million, thirteen thousand, seven hundred sixty-five".