13404131441 has 16 divisors (see below), whose sum is σ = 14203728000. Its totient is φ = 12627662208.

The previous prime is 13404131437. The next prime is 13404131443. The reversal of 13404131441 is 14413140431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13404131441 - 2² = 13404131437 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 13404131441.

It is not an unprimeable number, because it can be changed into a prime (13404131443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302980 + ... + 1313226.

It is an arithmetic number, because the mean of its divisors is an integer number (887733000).

Almost surely, 2^13404131441 is an apocalyptic number.

It is an amenable number.

13404131441 is a deficient number, since it is larger than the sum of its proper divisors (799596559).

13404131441 is a wasteful number, since it uses less digits than its factorization.

13404131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13404131441 its reverse (14413140431), we get a palindrome (27817271872).

The spelling of 13404131441 in words is "thirteen billion, four hundred four million, one hundred thirty-one thousand, four hundred forty-one".