13939507071 has 12 divisors (see below), whose sum is σ = 23011249872. Its totient is φ = 7965432576.

The previous prime is 13939507067. The next prime is 13939507091. The reversal of 13939507071 is 17070593931.

13939507071 is a `hidden beast` number, since 139 + 3 + 9 + 507 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 13939507071 - 2² = 13939507067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939507091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110630946 + ... + 110631071.

It is an arithmetic number, because the mean of its divisors is an integer number (1917604156).

Almost surely, 2^13939507071 is an apocalyptic number.

13939507071 is a deficient number, since it is larger than the sum of its proper divisors (9071742801).

13939507071 is a wasteful number, since it uses less digits than its factorization.

13939507071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221262030 (or 221262027 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 45.

The spelling of 13939507071 in words is "thirteen billion, nine hundred thirty-nine million, five hundred seven thousand, seventy-one".