133611334 has 4 divisors (see below), whose sum is σ = 200417004. Its totient is φ = 66805666.

The previous prime is 133611307. The next prime is 133611337. The reversal of 133611334 is 433116331.

It is a happy number.

133611334 is digitally balanced in base 3, 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 junction number, because it is equal to n+sod(n) for n = 133611299 and 133611308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133611337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33402832 + ... + 33402835.

It is an arithmetic number, because the mean of its divisors is an integer number (50104251).

Almost surely, 2^133611334 is an apocalyptic number.

133611334 is a deficient number, since it is larger than the sum of its proper divisors (66805670).

133611334 is an equidigital number, since it uses as much as digits as its factorization.

133611334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66805669.

The product of its digits is 1944, while the sum is 25.

The square root of 133611334 is about 11559.0368975966. The cubic root of 133611334 is about 511.2277660040.

Adding to 133611334 its reverse (433116331), we get a palindrome (566727665).

The spelling of 133611334 in words is "one hundred thirty-three million, six hundred eleven thousand, three hundred thirty-four".