13939723748 has 24 divisors (see below), whose sum is σ = 25281817344. Its totient is φ = 6718140000.

The previous prime is 13939723747. The next prime is 13939723753. The reversal of 13939723748 is 84732793931.

It is a junction number, because it is equal to n+sod(n) for n = 13939723693 and 13939723702.

It is not an unprimeable number, because it can be changed into a prime (13939723747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192815 + ... + 255062.

It is an arithmetic number, because the mean of its divisors is an integer number (1053409056).

Almost surely, 2^13939723748 is an apocalyptic number.

It is an amenable number.

13939723748 is a deficient number, since it is larger than the sum of its proper divisors (11342093596).

13939723748 is a wasteful number, since it uses less digits than its factorization.

13939723748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448163 (or 448161 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The spelling of 13939723748 in words is "thirteen billion, nine hundred thirty-nine million, seven hundred twenty-three thousand, seven hundred forty-eight".