13705243172 has 24 divisors (see below), whose sum is σ = 25254915840. Its totient is φ = 6489793440.

The previous prime is 13705243169. The next prime is 13705243183. The reversal of 13705243172 is 27134250731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212222 + ... + 269162.

It is an arithmetic number, because the mean of its divisors is an integer number (1052288160).

Almost surely, 2^13705243172 is an apocalyptic number.

It is an amenable number.

13705243172 is a deficient number, since it is larger than the sum of its proper divisors (11549672668).

13705243172 is a wasteful number, since it uses less digits than its factorization.

13705243172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60131 (or 60129 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 13705243172 in words is "thirteen billion, seven hundred five million, two hundred forty-three thousand, one hundred seventy-two".