135323020241 has 2 divisors, whose sum is σ = 135323020242. Its totient is φ = 135323020240.

The previous prime is 135323020213. The next prime is 135323020303. The reversal of 135323020241 is 142020323531.

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., 95521174225 + 39801846016 = 309065^2 + 199504^2 .

It is a cyclic number.

It is not a de Polignac number, because 135323020241 - 2⁶ = 135323020177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135323020241.

It is not a weakly prime, because it can be changed into another prime (135323020141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661510120 + 67661510121.

It is an arithmetic number, because the mean of its divisors is an integer number (67661510121).

Almost surely, 2^135323020241 is an apocalyptic number.

It is an amenable number.

135323020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323020241 is an equidigital number, since it uses as much as digits as its factorization.

135323020241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 135323020241 its reverse (142020323531), we get a palindrome (277343343772).

The spelling of 135323020241 in words is "one hundred thirty-five billion, three hundred twenty-three million, twenty thousand, two hundred forty-one".