133334664 has 16 divisors (see below), whose sum is σ = 333336720. Its totient is φ = 44444880.

The previous prime is 133334659. The next prime is 133334671. The reversal of 133334664 is 466433331.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777782 + ... + 2777829.

It is an arithmetic number, because the mean of its divisors is an integer number (20833545).

Almost surely, 2^133334664 is an apocalyptic number.

It is an amenable number.

133334664 is an abundant number, since it is smaller than the sum of its proper divisors (200002056).

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

133334664 is a wasteful number, since it uses less digits than its factorization.

133334664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555620 (or 5555616 counting only the distinct ones).

The product of its digits is 46656, while the sum is 33.

The square root of 133334664 is about 11547.0630032056. The cubic root of 133334664 is about 510.8746544274.

Adding to 133334664 its reverse (466433331), we get a palindrome (599767995).

The spelling of 133334664 in words is "one hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-four".