13144140433 has 2 divisors, whose sum is σ = 13144140434. Its totient is φ = 13144140432.

The previous prime is 13144140421. The next prime is 13144140479. The reversal of 13144140433 is 33404144131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9786749184 + 3357391249 = 98928^2 + 57943^2 .

It is a cyclic number.

It is not a de Polignac number, because 13144140433 - 2³³ = 4554205841 is a prime.

It is not a weakly prime, because it can be changed into another prime (13144140403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572070216 + 6572070217.

It is an arithmetic number, because the mean of its divisors is an integer number (6572070217).

Almost surely, 2^13144140433 is an apocalyptic number.

It is an amenable number.

13144140433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144140433 is an equidigital number, since it uses as much as digits as its factorization.

13144140433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13144140433 its reverse (33404144131), we get a palindrome (46548284564).

The spelling of 13144140433 in words is "thirteen billion, one hundred forty-four million, one hundred forty thousand, four hundred thirty-three".