13900931290 has 32 divisors (see below), whose sum is σ = 25312757904. Its totient is φ = 5495838720.

The previous prime is 13900931251. The next prime is 13900931321. The reversal of 13900931290 is 9213900931.

It can be written as a sum of positive squares in 8 ways, for example, as 10299611169 + 3601320121 = 101487^2 + 60011^2 .

It is a super-3 number, since 3×13900931290³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764100 + ... + 782080.

Almost surely, 2^13900931290 is an apocalyptic number.

13900931290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13900931290 is a deficient number, since it is larger than the sum of its proper divisors (11411826614).

13900931290 is a wasteful number, since it uses less digits than its factorization.

13900931290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18882.

The product of its (nonzero) digits is 13122, while the sum is 37.

The spelling of 13900931290 in words is "thirteen billion, nine hundred million, nine hundred thirty-one thousand, two hundred ninety".