135452422335121 has 4 divisors (see below), whose sum is σ = 135793612316212. Its totient is φ = 135111232354032.

The previous prime is 135452422335107. The next prime is 135452422335137. The reversal of 135452422335121 is 121533224254531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90343884403600 + 45108537931521 = 9504940^2 + 6716289^2 .

It is a cyclic number.

It is not a de Polignac number, because 135452422335121 - 2⁷ = 135452422334993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135452422315121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170594989950 + ... + 170594990743.

It is an arithmetic number, because the mean of its divisors is an integer number (33948403079053).

Almost surely, 2^{135452422335121} is an apocalyptic number.

It is an amenable number.

135452422335121 is a deficient number, since it is larger than the sum of its proper divisors (341189981091).

135452422335121 is an equidigital number, since it uses as much as digits as its factorization.

135452422335121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341189981090.

The product of its digits is 864000, while the sum is 43.

Adding to 135452422335121 its reverse (121533224254531), we get a palindrome (256985646589652).

The spelling of 135452422335121 in words is "one hundred thirty-five trillion, four hundred fifty-two billion, four hundred twenty-two million, three hundred thirty-five thousand, one hundred twenty-one".