133566107 has 4 divisors (see below), whose sum is σ = 133693056. Its totient is φ = 133439160.

The previous prime is 133566091. The next prime is 133566131. The reversal of 133566107 is 701665331.

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 133566107 - 2⁴ = 133566091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133586107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61883 + ... + 64004.

It is an arithmetic number, because the mean of its divisors is an integer number (33423264).

Almost surely, 2^133566107 is an apocalyptic number.

133566107 is a deficient number, since it is larger than the sum of its proper divisors (126949).

133566107 is a wasteful number, since it uses less digits than its factorization.

133566107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126948.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 133566107 is about 11557.0803839032. The cubic root of 133566107 is about 511.1700765182.

The spelling of 133566107 in words is "one hundred thirty-three million, five hundred sixty-six thousand, one hundred seven".