133007166 has 24 divisors (see below), whose sum is σ = 298120680. Its totient is φ = 42806736.

The previous prime is 133007131. The next prime is 133007179. The reversal of 133007166 is 661700331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126880 + ... + 127923.

It is an arithmetic number, because the mean of its divisors is an integer number (12421695).

Almost surely, 2^133007166 is an apocalyptic number.

133007166 is an abundant number, since it is smaller than the sum of its proper divisors (165113514).

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

133007166 is a wasteful number, since it uses less digits than its factorization.

133007166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254840 (or 254837 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 133007166 is about 11532.8732759881. The cubic root of 133007166 is about 510.4560396102.

Adding to 133007166 its reverse (661700331), we get a palindrome (794707497).

The spelling of 133007166 in words is "one hundred thirty-three million, seven thousand, one hundred sixty-six".