134304213 has 16 divisors (see below), whose sum is σ = 181057536. Its totient is φ = 88548720.

The previous prime is 134304197. The next prime is 134304221. The reversal of 134304213 is 312403431.

It is not a de Polignac number, because 134304213 - 2⁴ = 134304197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134304213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134304223) 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, 220956 + ... + 221562.

It is an arithmetic number, because the mean of its divisors is an integer number (11316096).

Almost surely, 2^134304213 is an apocalyptic number.

It is an amenable number.

134304213 is a deficient number, since it is larger than the sum of its proper divisors (46753323).

134304213 is a wasteful number, since it uses less digits than its factorization.

134304213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 134304213 is about 11588.9694537521. The cubic root of 134304213 is about 512.1099477523.

Adding to 134304213 its reverse (312403431), we get a palindrome (446707644).

The spelling of 134304213 in words is "one hundred thirty-four million, three hundred four thousand, two hundred thirteen".