13525440143 has 2 divisors, whose sum is σ = 13525440144. Its totient is φ = 13525440142.

The previous prime is 13525440139. The next prime is 13525440179. The reversal of 13525440143 is 34104452531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13525440143 - 2² = 13525440139 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525440113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762720071 + 6762720072.

It is an arithmetic number, because the mean of its divisors is an integer number (6762720072).

Almost surely, 2^13525440143 is an apocalyptic number.

13525440143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525440143 is an equidigital number, since it uses as much as digits as its factorization.

13525440143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13525440143 its reverse (34104452531), we get a palindrome (47629892674).

The spelling of 13525440143 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, one hundred forty-three".