13940747910 has 48 divisors (see below), whose sum is σ = 36328612320. Its totient is φ = 3709054080.

The previous prime is 13940747903. The next prime is 13940747939. The reversal of 13940747910 is 1974704931.

13940747910 is a `hidden beast` number, since 139 + 40 + 7 + 479 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136911 + ... + 215930.

It is an arithmetic number, because the mean of its divisors is an integer number (756846090).

Almost surely, 2^13940747910 is an apocalyptic number.

13940747910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13940747910 is an abundant number, since it is smaller than the sum of its proper divisors (22387864410).

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

13940747910 is a wasteful number, since it uses less digits than its factorization.

13940747910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353293 (or 353290 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 13940747910 in words is "thirteen billion, nine hundred forty million, seven hundred forty-seven thousand, nine hundred ten".