134223451 has 4 divisors (see below), whose sum is σ = 134249632. Its totient is φ = 134197272.

The previous prime is 134223443. The next prime is 134223473. The reversal of 134223451 is 154322431.

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

It is a cyclic number.

It is not a de Polignac number, because 134223451 - 2³ = 134223443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134223431) 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, 2595 + ... + 16588.

It is an arithmetic number, because the mean of its divisors is an integer number (33562408).

Almost surely, 2^134223451 is an apocalyptic number.

134223451 is a deficient number, since it is larger than the sum of its proper divisors (26181).

134223451 is an equidigital number, since it uses as much as digits as its factorization.

134223451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26180.

The product of its digits is 2880, while the sum is 25.

The square root of 134223451 is about 11585.4844956955. The cubic root of 134223451 is about 512.0072770674.

Adding to 134223451 its reverse (154322431), we get a palindrome (288545882).

The spelling of 134223451 in words is "one hundred thirty-four million, two hundred twenty-three thousand, four hundred fifty-one".