13140013404044 has 24 divisors (see below), whose sum is σ = 23520857308368. Its totient is φ = 6421140498240.

The previous prime is 13140013404043. The next prime is 13140013404047. The reversal of 13140013404044 is 44040431004131.

It is a junction number, because it is equal to n+sod(n) for n = 13140013403998 and 13140013404016.

It is not an unprimeable number, because it can be changed into a prime (13140013404043) 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, 171466514 + ... + 171543129.

It is an arithmetic number, because the mean of its divisors is an integer number (980035721182).

Almost surely, 2^{13140013404044} is an apocalyptic number.

It is an amenable number.

13140013404044 is a deficient number, since it is larger than the sum of its proper divisors (10380843904324).

13140013404044 is a wasteful number, since it uses less digits than its factorization.

13140013404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343009865 (or 343009863 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13140013404044 its reverse (44040431004131), we get a palindrome (57180444408175).

The spelling of 13140013404044 in words is "thirteen trillion, one hundred forty billion, thirteen million, four hundred four thousand, forty-four".