13985031144 has 32 divisors (see below), whose sum is σ = 39957232320. Its totient is φ = 3995723136.

The previous prime is 13985031143. The next prime is 13985031191. The reversal of 13985031144 is 44113058931.

It is not an unprimeable number, because it can be changed into a prime (13985031143) 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, 41621949 + ... + 41622284.

It is an arithmetic number, because the mean of its divisors is an integer number (1248663510).

Almost surely, 2^13985031144 is an apocalyptic number.

13985031144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13985031144 is an abundant number, since it is smaller than the sum of its proper divisors (25972201176).

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

13985031144 is a wasteful number, since it uses less digits than its factorization.

13985031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83244249 (or 83244245 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 13985031144 in words is "thirteen billion, nine hundred eighty-five million, thirty-one thousand, one hundred forty-four".