135351213 has 4 divisors (see below), whose sum is σ = 180468288. Its totient is φ = 90234140.

The previous prime is 135351199. The next prime is 135351299. The reversal of 135351213 is 312153531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135351213 - 2¹² = 135347117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135356213) 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, 22558533 + ... + 22558538.

It is an arithmetic number, because the mean of its divisors is an integer number (45117072).

Almost surely, 2^135351213 is an apocalyptic number.

It is an amenable number.

135351213 is a deficient number, since it is larger than the sum of its proper divisors (45117075).

135351213 is an equidigital number, since it uses as much as digits as its factorization.

135351213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45117074.

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

The square root of 135351213 is about 11634.0540225667. The cubic root of 135351213 is about 513.4372623196.

The spelling of 135351213 in words is "one hundred thirty-five million, three hundred fifty-one thousand, two hundred thirteen".