133223194 has 8 divisors (see below), whose sum is σ = 215206740. Its totient is φ = 61487616.

The previous prime is 133223183. The next prime is 133223219. The reversal of 133223194 is 491322331.

It can be written as a sum of positive squares in 2 ways, for example, as 121286169 + 11937025 = 11013^2 + 3455^2 .

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

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, 2561959 + ... + 2562010.

Almost surely, 2^133223194 is an apocalyptic number.

133223194 is a deficient number, since it is larger than the sum of its proper divisors (81983546).

133223194 is a wasteful number, since it uses less digits than its factorization.

133223194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123984.

The product of its digits is 3888, while the sum is 28.

The square root of 133223194 is about 11542.2352254665. The cubic root of 133223194 is about 510.7322481619.

The spelling of 133223194 in words is "one hundred thirty-three million, two hundred twenty-three thousand, one hundred ninety-four".