13126646137 has 8 divisors (see below), whose sum is σ = 14328377280. Its totient is φ = 11926314960.

The previous prime is 13126646111. The next prime is 13126646173. The reversal of 13126646137 is 73164662131.

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

It is a cyclic number.

It is not a de Polignac number, because 13126646137 - 2⁷ = 13126646009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13126646137.

It is not an unprimeable number, because it can be changed into a prime (13126646537) 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, 330333 + ... + 367930.

It is an arithmetic number, because the mean of its divisors is an integer number (1791047160).

Almost surely, 2^13126646137 is an apocalyptic number.

It is an amenable number.

13126646137 is a deficient number, since it is larger than the sum of its proper divisors (1201731143).

13126646137 is a wasteful number, since it uses less digits than its factorization.

13126646137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699983.

The product of its digits is 108864, while the sum is 40.

The spelling of 13126646137 in words is "thirteen billion, one hundred twenty-six million, six hundred forty-six thousand, one hundred thirty-seven".