135230313 has 12 divisors (see below), whose sum is σ = 184605360. Its totient is φ = 88053336.

The previous prime is 135230309. The next prime is 135230357. The reversal of 135230313 is 313032531.

135230313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135230313 - 2² = 135230309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135230313.

It is not an unprimeable number, because it can be changed into a prime (135230713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6643 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (15383780).

Almost surely, 2^135230313 is an apocalyptic number.

It is an amenable number.

135230313 is a deficient number, since it is larger than the sum of its proper divisors (49375047).

135230313 is an equidigital number, since it uses as much as digits as its factorization.

135230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24468 (or 24425 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 135230313 is about 11628.8569085702. The cubic root of 135230313 is about 513.2843439597.

Adding to 135230313 its reverse (313032531), we get a palindrome (448262844).

The spelling of 135230313 in words is "one hundred thirty-five million, two hundred thirty thousand, three hundred thirteen".