13938031245 has 16 divisors (see below), whose sum is σ = 22304679552. Its totient is φ = 7432340160.

The previous prime is 13938031231. The next prime is 13938031253. The reversal of 13938031245 is 54213083931.

It is a happy number.

It is not a de Polignac number, because 13938031245 - 2⁶ = 13938031181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14040 + ... + 167550.

It is an arithmetic number, because the mean of its divisors is an integer number (1394042472).

Almost surely, 2^13938031245 is an apocalyptic number.

13938031245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13938031245 is a deficient number, since it is larger than the sum of its proper divisors (8366648307).

13938031245 is a wasteful number, since it uses less digits than its factorization.

13938031245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159572.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 13938031245 in words is "thirteen billion, nine hundred thirty-eight million, thirty-one thousand, two hundred forty-five".