135311241 has 8 divisors (see below), whose sum is σ = 194293120. Its totient is φ = 83268432.

The previous prime is 135311213. The next prime is 135311263. The reversal of 135311241 is 142113531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135311241 - 2¹⁷ = 135180169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135311641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734721 + ... + 1734798.

It is an arithmetic number, because the mean of its divisors is an integer number (24286640).

Almost surely, 2^135311241 is an apocalyptic number.

It is an amenable number.

135311241 is a deficient number, since it is larger than the sum of its proper divisors (58981879).

135311241 is a wasteful number, since it uses less digits than its factorization.

135311241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469535.

The product of its digits is 360, while the sum is 21.

The square root of 135311241 is about 11632.3360078705. The cubic root of 135311241 is about 513.3867144784.

Adding to 135311241 its reverse (142113531), we get a palindrome (277424772).

The spelling of 135311241 in words is "one hundred thirty-five million, three hundred eleven thousand, two hundred forty-one".