13520335141 has 2 divisors, whose sum is σ = 13520335142. Its totient is φ = 13520335140.

The previous prime is 13520335121. The next prime is 13520335151. The reversal of 13520335141 is 14153302531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12488062500 + 1032272641 = 111750^2 + 32129^2 .

It is a cyclic number.

It is not a de Polignac number, because 13520335141 - 2⁹ = 13520334629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520335121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760167570 + 6760167571.

It is an arithmetic number, because the mean of its divisors is an integer number (6760167571).

Almost surely, 2^13520335141 is an apocalyptic number.

It is an amenable number.

13520335141 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520335141 is an equidigital number, since it uses as much as digits as its factorization.

13520335141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13520335141 its reverse (14153302531), we get a palindrome (27673637672).

The spelling of 13520335141 in words is "thirteen billion, five hundred twenty million, three hundred thirty-five thousand, one hundred forty-one".