134565213 has 4 divisors (see below), whose sum is σ = 179420288. Its totient is φ = 89710140.

The previous prime is 134565199. The next prime is 134565271. The reversal of 134565213 is 312565431.

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 not a de Polignac number, because 134565213 - 2⁵ = 134565181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134565293) 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, 22427533 + ... + 22427538.

It is an arithmetic number, because the mean of its divisors is an integer number (44855072).

Almost surely, 2^134565213 is an apocalyptic number.

It is an amenable number.

134565213 is a deficient number, since it is larger than the sum of its proper divisors (44855075).

134565213 is an equidigital number, since it uses as much as digits as its factorization.

134565213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44855074.

The product of its digits is 10800, while the sum is 30.

The square root of 134565213 is about 11600.2246960996. The cubic root of 134565213 is about 512.4414692625.

The spelling of 134565213 in words is "one hundred thirty-four million, five hundred sixty-five thousand, two hundred thirteen".