13144134413 has 4 divisors (see below), whose sum is σ = 13154100960. Its totient is φ = 13134167868.

The previous prime is 13144134407. The next prime is 13144134463. The reversal of 13144134413 is 31443144131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144134413 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 (13144134403) 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, 4981295 + ... + 4983932.

It is an arithmetic number, because the mean of its divisors is an integer number (3288525240).

Almost surely, 2^13144134413 is an apocalyptic number.

It is an amenable number.

13144134413 is a deficient number, since it is larger than the sum of its proper divisors (9966547).

13144134413 is an equidigital number, since it uses as much as digits as its factorization.

13144134413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966546.

The product of its digits is 6912, while the sum is 29.

Adding to 13144134413 its reverse (31443144131), we get a palindrome (44587278544).

The spelling of 13144134413 in words is "thirteen billion, one hundred forty-four million, one hundred thirty-four thousand, four hundred thirteen".