13144400239 has 2 divisors, whose sum is σ = 13144400240. Its totient is φ = 13144400238.

The previous prime is 13144400209. The next prime is 13144400263. The reversal of 13144400239 is 93200444131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13144400239 - 2¹³ = 13144392047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13144400239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13144400209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572200119 + 6572200120.

It is an arithmetic number, because the mean of its divisors is an integer number (6572200120).

Almost surely, 2^13144400239 is an apocalyptic number.

13144400239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144400239 is an equidigital number, since it uses as much as digits as its factorization.

13144400239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 13144400239 in words is "thirteen billion, one hundred forty-four million, four hundred thousand, two hundred thirty-nine".