13144405443356 has 48 divisors (see below), whose sum is σ = 25706515599072. Its totient is φ = 5828867404800.

The previous prime is 13144405443341. The next prime is 13144405443361. The reversal of 13144405443356 is 65334450444131.

It is a self number, because there is not a number n which added to its sum of digits gives 13144405443356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139613210 + ... + 139707326.

It is an arithmetic number, because the mean of its divisors is an integer number (535552408314).

Almost surely, 2^{13144405443356} is an apocalyptic number.

It is an amenable number.

13144405443356 is a deficient number, since it is larger than the sum of its proper divisors (12562110155716).

13144405443356 is a wasteful number, since it uses less digits than its factorization.

13144405443356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171590 (or 171588 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

Adding to 13144405443356 its reverse (65334450444131), we get a palindrome (78478855887487).

The spelling of 13144405443356 in words is "thirteen trillion, one hundred forty-four billion, four hundred five million, four hundred forty-three thousand, three hundred fifty-six".