13940056140 has 48 divisors (see below), whose sum is σ = 39037296480. Its totient is φ = 3716858880.

The previous prime is 13940056079. The next prime is 13940056147. The reversal of 13940056140 is 4165004931.

It is not an unprimeable number, because it can be changed into a prime (13940056147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833460 + ... + 850020.

It is an arithmetic number, because the mean of its divisors is an integer number (813277010).

Almost surely, 2^13940056140 is an apocalyptic number.

13940056140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13940056140 is an abundant number, since it is smaller than the sum of its proper divisors (25097240340).

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

13940056140 is a wasteful number, since it uses less digits than its factorization.

13940056140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30602 (or 30600 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 13940056140 in words is "thirteen billion, nine hundred forty million, fifty-six thousand, one hundred forty".