134432213 has 4 divisors (see below), whose sum is σ = 138768768. Its totient is φ = 130095660.

The previous prime is 134432189. The next prime is 134432251. The reversal of 134432213 is 312234431.

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 134432213 - 2¹² = 134428117 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 (134432273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168231 + ... + 2168292.

It is an arithmetic number, because the mean of its divisors is an integer number (34692192).

Almost surely, 2^134432213 is an apocalyptic number.

It is an amenable number.

134432213 is a deficient number, since it is larger than the sum of its proper divisors (4336555).

134432213 is an equidigital number, since it uses as much as digits as its factorization.

134432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336554.

The product of its digits is 1728, while the sum is 23.

The square root of 134432213 is about 11594.4906313300. The cubic root of 134432213 is about 512.2725866313.

Adding to 134432213 its reverse (312234431), we get a palindrome (446666644).

The spelling of 134432213 in words is "one hundred thirty-four million, four hundred thirty-two thousand, two hundred thirteen".