133475306 has 16 divisors (see below), whose sum is σ = 205480800. Its totient is φ = 65000208.

The previous prime is 133475299. The next prime is 133475339. The reversal of 133475306 is 603574331.

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, 10205 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (12842550).

Almost surely, 2^133475306 is an apocalyptic number.

133475306 is a deficient number, since it is larger than the sum of its proper divisors (72005494).

133475306 is a wasteful number, since it uses less digits than its factorization.

133475306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 133475306 is about 11553.1513449794. The cubic root of 133475306 is about 511.0542155984.

The spelling of 133475306 in words is "one hundred thirty-three million, four hundred seventy-five thousand, three hundred six".