135315213 has 16 divisors (see below), whose sum is σ = 197041152. Its totient is φ = 81918000.

The previous prime is 135315203. The next prime is 135315227. The reversal of 135315213 is 312513531.

It is not a de Polignac number, because 135315213 - 2⁴ = 135315197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135315203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38958 + ... + 42288.

It is an arithmetic number, because the mean of its divisors is an integer number (12315072).

Almost surely, 2^135315213 is an apocalyptic number.

It is an amenable number.

135315213 is a deficient number, since it is larger than the sum of its proper divisors (61725939).

135315213 is a wasteful number, since it uses less digits than its factorization.

135315213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576.

The product of its digits is 1350, while the sum is 24.

The square root of 135315213 is about 11632.5067375867. The cubic root of 135315213 is about 513.3917378404.

Adding to 135315213 its reverse (312513531), we get a palindrome (447828744).

The spelling of 135315213 in words is "one hundred thirty-five million, three hundred fifteen thousand, two hundred thirteen".