13944520207 has 8 divisors (see below), whose sum is σ = 14031351936. Its totient is φ = 13857728472.

The previous prime is 13944520159. The next prime is 13944520217. The reversal of 13944520207 is 70202544931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13944520207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944520217) 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, 1006308 + ... + 1020070.

It is an arithmetic number, because the mean of its divisors is an integer number (1753918992).

Almost surely, 2^13944520207 is an apocalyptic number.

13944520207 is a deficient number, since it is larger than the sum of its proper divisors (86831729).

13944520207 is a wasteful number, since it uses less digits than its factorization.

13944520207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 13944520207 in words is "thirteen billion, nine hundred forty-four million, five hundred twenty thousand, two hundred seven".