13900991200 has 36 divisors (see below), whose sum is σ = 33935796720. Its totient is φ = 5560396160.

The previous prime is 13900991191. The next prime is 13900991243. The reversal of 13900991200 is 219900931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8687320 + ... + 8688919.

It is an arithmetic number, because the mean of its divisors is an integer number (942661020).

Almost surely, 2^13900991200 is an apocalyptic number.

13900991200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13900991200 is an abundant number, since it is smaller than the sum of its proper divisors (20034805520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13900991200 is a wasteful number, since it uses less digits than its factorization.

13900991200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376259 (or 17376246 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 13900991200 in words is "thirteen billion, nine hundred million, nine hundred ninety-one thousand, two hundred".