133066163 has 4 divisors (see below), whose sum is σ = 134309880. Its totient is φ = 131822448.

The previous prime is 133066159. The next prime is 133066189. The reversal of 133066163 is 361660331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133066163 - 2² = 133066159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133066103) 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 in 3 ways as a sum of consecutive naturals, for example, 621698 + ... + 621911.

It is an arithmetic number, because the mean of its divisors is an integer number (33577470).

Almost surely, 2^133066163 is an apocalyptic number.

133066163 is a deficient number, since it is larger than the sum of its proper divisors (1243717).

133066163 is a wasteful number, since it uses less digits than its factorization.

133066163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243716.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 133066163 is about 11535.4307678560. The cubic root of 133066163 is about 510.5315015177.

Subtracting from 133066163 its product of nonzero digits (5832), we obtain a palindrome (133060331).

The spelling of 133066163 in words is "one hundred thirty-three million, sixty-six thousand, one hundred sixty-three".