133134223 has 4 divisors (see below), whose sum is σ = 133159248. Its totient is φ = 133109200.

The previous prime is 133134217. The next prime is 133134263. The reversal of 133134223 is 322431331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322431331 = 1873 ⋅172147.

It is a cyclic number.

It is not a de Polignac number, because 133134223 - 2⁹ = 133133711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133134194 and 133134203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133134203) 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, 1003 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (33289812).

Almost surely, 2^133134223 is an apocalyptic number.

133134223 is a deficient number, since it is larger than the sum of its proper divisors (25025).

133134223 is an equidigital number, since it uses as much as digits as its factorization.

133134223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024.

The product of its digits is 1296, while the sum is 22.

The square root of 133134223 is about 11538.3804322790. The cubic root of 133134223 is about 510.6185280285.

Adding to 133134223 its reverse (322431331), we get a palindrome (455565554).

The spelling of 133134223 in words is "one hundred thirty-three million, one hundred thirty-four thousand, two hundred twenty-three".