13715207137 has 4 divisors (see below), whose sum is σ = 13815318276. Its totient is φ = 13615096000.

The previous prime is 13715207123. The next prime is 13715207159. The reversal of 13715207137 is 73170251731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5768554401 + 7946652736 = 75951^2 + 89144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13715207137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13715207096 and 13715207105.

It is not an unprimeable number, because it can be changed into a prime (13715207117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50055364 + ... + 50055637.

It is an arithmetic number, because the mean of its divisors is an integer number (3453829569).

Almost surely, 2^13715207137 is an apocalyptic number.

It is an amenable number.

13715207137 is a deficient number, since it is larger than the sum of its proper divisors (100111139).

13715207137 is a wasteful number, since it uses less digits than its factorization.

13715207137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100111138.

The product of its (nonzero) digits is 30870, while the sum is 37.

Adding to 13715207137 its reverse (73170251731), we get a palindrome (86885458868).

The spelling of 13715207137 in words is "thirteen billion, seven hundred fifteen million, two hundred seven thousand, one hundred thirty-seven".