133005166 has 8 divisors (see below), whose sum is σ = 228008880. Its totient is φ = 57002208.

The previous prime is 133005163. The next prime is 133005199. The reversal of 133005166 is 661500331.

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

133005166 is a modest number, since divided by 5166 gives 1330 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 133005166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133005163) 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, 4750171 + ... + 4750198.

It is an arithmetic number, because the mean of its divisors is an integer number (28501110).

Almost surely, 2^133005166 is an apocalyptic number.

133005166 is a deficient number, since it is larger than the sum of its proper divisors (95003714).

133005166 is an equidigital number, since it uses as much as digits as its factorization.

133005166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500378.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 133005166 is about 11532.7865670011. The cubic root of 133005166 is about 510.4534810583.

Adding to 133005166 its reverse (661500331), we get a palindrome (794505497).

The spelling of 133005166 in words is "one hundred thirty-three million, five thousand, one hundred sixty-six".