134213433 has 4 divisors (see below), whose sum is σ = 178951248. Its totient is φ = 89475620.

The previous prime is 134213423. The next prime is 134213447. The reversal of 134213433 is 334312431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 334312431 = 3 ⋅111437477.

It is a cyclic number.

It is not a de Polignac number, because 134213433 - 2⁹ = 134212921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134213413) 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, 22368903 + ... + 22368908.

It is an arithmetic number, because the mean of its divisors is an integer number (44737812).

Almost surely, 2^134213433 is an apocalyptic number.

It is an amenable number.

134213433 is a deficient number, since it is larger than the sum of its proper divisors (44737815).

134213433 is an equidigital number, since it uses as much as digits as its factorization.

134213433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44737814.

The product of its digits is 2592, while the sum is 24.

The square root of 134213433 is about 11585.0521362659. The cubic root of 134213433 is about 511.9945385668.

Adding to 134213433 its reverse (334312431), we get a palindrome (468525864).

The spelling of 134213433 in words is "one hundred thirty-four million, two hundred thirteen thousand, four hundred thirty-three".