133515066 has 8 divisors (see below), whose sum is σ = 267030144. Its totient is φ = 44505020.

The previous prime is 133515049. The next prime is 133515073. The reversal of 133515066 is 660515331.

It is a sphenic number, since it is the product of 3 distinct primes.

133515066 is an admirable number.

It is an unprimeable number.

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, 11126250 + ... + 11126261.

It is an arithmetic number, because the mean of its divisors is an integer number (33378768).

Almost surely, 2^133515066 is an apocalyptic number.

133515066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133515066 is a wasteful number, since it uses less digits than its factorization.

133515066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22252516.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 133515066 is about 11554.8719594810. The cubic root of 133515066 is about 511.1049553169.

The spelling of 133515066 in words is "one hundred thirty-three million, five hundred fifteen thousand, sixty-six".