133220134 has 8 divisors (see below), whose sum is σ = 210347640. Its totient is φ = 63104256.

The previous prime is 133220123. The next prime is 133220147. The reversal of 133220134 is 431022331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×133220134³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752859 + ... + 1752934.

It is an arithmetic number, because the mean of its divisors is an integer number (26293455).

Almost surely, 2^133220134 is an apocalyptic number.

133220134 is a deficient number, since it is larger than the sum of its proper divisors (77127506).

133220134 is a wasteful number, since it uses less digits than its factorization.

133220134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505814.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133220134 is about 11542.1026680584. The cubic root of 133220134 is about 510.7283378001.

Adding to 133220134 its reverse (431022331), we get a palindrome (564242465).

The spelling of 133220134 in words is "one hundred thirty-three million, two hundred twenty thousand, one hundred thirty-four".