13143765241 has 2 divisors, whose sum is σ = 13143765242. Its totient is φ = 13143765240.

The previous prime is 13143765233. The next prime is 13143765347. The reversal of 13143765241 is 14256734131.

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., 7831542016 + 5312223225 = 88496^2 + 72885^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143765241 - 2³ = 13143765233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13143765241.

It is not a weakly prime, because it can be changed into another prime (13143765841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571882620 + 6571882621.

It is an arithmetic number, because the mean of its divisors is an integer number (6571882621).

Almost surely, 2^13143765241 is an apocalyptic number.

It is an amenable number.

13143765241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143765241 is an equidigital number, since it uses as much as digits as its factorization.

13143765241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The spelling of 13143765241 in words is "thirteen billion, one hundred forty-three million, seven hundred sixty-five thousand, two hundred forty-one".