13990107257 has 24 divisors (see below), whose sum is σ = 16543388160. Its totient is φ = 11793751200.

The previous prime is 13990107251. The next prime is 13990107283. The reversal of 13990107257 is 75270109931.

It is not a de Polignac number, because 13990107257 - 2¹⁶ = 13990041721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13990107251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2298344 + ... + 2304422.

It is an arithmetic number, because the mean of its divisors is an integer number (689307840).

Almost surely, 2^13990107257 is an apocalyptic number.

It is an amenable number.

13990107257 is a deficient number, since it is larger than the sum of its proper divisors (2553280903).

13990107257 is an equidigital number, since it uses as much as digits as its factorization.

13990107257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 44.

The spelling of 13990107257 in words is "thirteen billion, nine hundred ninety million, one hundred seven thousand, two hundred fifty-seven".