133566006 has 16 divisors (see below), whose sum is σ = 305293824. Its totient is φ = 38161704.

The previous prime is 133565969. The next prime is 133566047. The reversal of 133566006 is 600665331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590030 + ... + 1590113.

It is an arithmetic number, because the mean of its divisors is an integer number (19080864).

Almost surely, 2^133566006 is an apocalyptic number.

133566006 is an abundant number, since it is smaller than the sum of its proper divisors (171727818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133566006 is a wasteful number, since it uses less digits than its factorization.

133566006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180155.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 133566006 is about 11557.0760142867. The cubic root of 133566006 is about 511.1699476726.

The spelling of 133566006 in words is "one hundred thirty-three million, five hundred sixty-six thousand, six".