13131326463 has 8 divisors (see below), whose sum is σ = 17509046448. Its totient is φ = 8753912064.

The previous prime is 13131326459. The next prime is 13131326503. The reversal of 13131326463 is 36462313131.

It is a Cunningham number, because it is equal to 114592²-1.

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

It is not a de Polignac number, because 13131326463 - 2² = 13131326459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131326413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57295 + ... + 171887.

It is an arithmetic number, because the mean of its divisors is an integer number (2188630806).

Almost surely, 2^13131326463 is an apocalyptic number.

13131326463 is a deficient number, since it is larger than the sum of its proper divisors (4377719985).

13131326463 is a wasteful number, since it uses less digits than its factorization.

13131326463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152793.

The product of its digits is 23328, while the sum is 33.

Adding to 13131326463 its reverse (36462313131), we get a palindrome (49593639594).

The spelling of 13131326463 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-six thousand, four hundred sixty-three".