134430443 has 4 divisors (see below), whose sum is σ = 153634800. Its totient is φ = 115226088.

The previous prime is 134430433. The next prime is 134430473. The reversal of 134430443 is 344034431.

134430443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134430443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134430403) 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, 9602168 + ... + 9602181.

It is an arithmetic number, because the mean of its divisors is an integer number (38408700).

Almost surely, 2^134430443 is an apocalyptic number.

134430443 is a deficient number, since it is larger than the sum of its proper divisors (19204357).

134430443 is an equidigital number, since it uses as much as digits as its factorization.

134430443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19204356.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 134430443 is about 11594.4143017230. The cubic root of 134430443 is about 512.2703383446.

Adding to 134430443 its reverse (344034431), we get a palindrome (478464874).

The spelling of 134430443 in words is "one hundred thirty-four million, four hundred thirty thousand, four hundred forty-three".