135311335441 has 4 divisors (see below), whose sum is σ = 135319612084. Its totient is φ = 135303058800.

The previous prime is 135311335433. The next prime is 135311335519. The reversal of 135311335441 is 144533113531.

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 33371617041 + 101939718400 = 182679^2 + 319280^2 .

It is a cyclic number.

It is not a de Polignac number, because 135311335441 - 2³ = 135311335433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135311335397 and 135311335406.

It is not an unprimeable number, because it can be changed into a prime (135311335241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113750 + ... + 4146511.

It is an arithmetic number, because the mean of its divisors is an integer number (33829903021).

Almost surely, 2^135311335441 is an apocalyptic number.

It is an amenable number.

135311335441 is a deficient number, since it is larger than the sum of its proper divisors (8276643).

135311335441 is an equidigital number, since it uses as much as digits as its factorization.

135311335441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276642.

The product of its digits is 32400, while the sum is 34.

Adding to 135311335441 its reverse (144533113531), we get a palindrome (279844448972).

The spelling of 135311335441 in words is "one hundred thirty-five billion, three hundred eleven million, three hundred thirty-five thousand, four hundred forty-one".