133966306 has 16 divisors (see below), whose sum is σ = 209980800. Its totient is φ = 63980928.

The previous prime is 133966289. The next prime is 133966319. The reversal of 133966306 is 603669331.

It is a super-2 number, since 2×133966306² = 35893942286571272, which contains 22 as substring.

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, 40690 + ... + 43858.

It is an arithmetic number, because the mean of its divisors is an integer number (13123800).

Almost surely, 2^133966306 is an apocalyptic number.

133966306 is a deficient number, since it is larger than the sum of its proper divisors (76014494).

133966306 is a wasteful number, since it uses less digits than its factorization.

133966306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 133966306 is about 11574.3814521554. The cubic root of 133966306 is about 511.6801005620.

The spelling of 133966306 in words is "one hundred thirty-three million, nine hundred sixty-six thousand, three hundred six".