133197194 has 8 divisors (see below), whose sum is σ = 215164740. Its totient is φ = 61475616.

The previous prime is 133197179. The next prime is 133197217. The reversal of 133197194 is 491791331.

It can be written as a sum of positive squares in 2 ways, for example, as 132549169 + 648025 = 11513^2 + 805^2 .

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

It is a Curzon 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, 2561459 + ... + 2561510.

Almost surely, 2^133197194 is an apocalyptic number.

133197194 is a deficient number, since it is larger than the sum of its proper divisors (81967546).

133197194 is a wasteful number, since it uses less digits than its factorization.

133197194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122984.

The product of its digits is 20412, while the sum is 38.

The square root of 133197194 is about 11541.1088722011. The cubic root of 133197194 is about 510.6990209587.

The spelling of 133197194 in words is "one hundred thirty-three million, one hundred ninety-seven thousand, one hundred ninety-four".