13140344404 has 24 divisors (see below), whose sum is σ = 25231133088. Its totient is φ = 5938355040.

The previous prime is 13140344369. The next prime is 13140344447. The reversal of 13140344404 is 40444304131.

It is a happy number.

It is a super-3 number, since 3×13140344404³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 855522 + ... + 870745.

It is an arithmetic number, because the mean of its divisors is an integer number (1051297212).

Almost surely, 2^13140344404 is an apocalyptic number.

It is an amenable number.

13140344404 is a deficient number, since it is larger than the sum of its proper divisors (12090788684).

13140344404 is a wasteful number, since it uses less digits than its factorization.

13140344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726455 (or 1726453 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13140344404 its reverse (40444304131), we get a palindrome (53584648535).

The spelling of 13140344404 in words is "thirteen billion, one hundred forty million, three hundred forty-four thousand, four hundred four".