13440133229 has 2 divisors, whose sum is σ = 13440133230. Its totient is φ = 13440133228.

The previous prime is 13440133183. The next prime is 13440133243. The reversal of 13440133229 is 92233104431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12791157604 + 648975625 = 113098^2 + 25475^2 .

It is a cyclic number.

It is not a de Polignac number, because 13440133229 - 2²⁰ = 13439084653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13440133195 and 13440133204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13440133279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720066614 + 6720066615.

It is an arithmetic number, because the mean of its divisors is an integer number (6720066615).

Almost surely, 2^13440133229 is an apocalyptic number.

It is an amenable number.

13440133229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13440133229 is an equidigital number, since it uses as much as digits as its factorization.

13440133229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13440133229 in words is "thirteen billion, four hundred forty million, one hundred thirty-three thousand, two hundred twenty-nine".