133364216 has 8 divisors (see below), whose sum is σ = 250057920. Its totient is φ = 66682104.

The previous prime is 133364213. The next prime is 133364221. The reversal of 133364216 is 612463331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133364213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335256 + ... + 8335271.

It is an arithmetic number, because the mean of its divisors is an integer number (31257240).

Almost surely, 2^133364216 is an apocalyptic number.

It is an amenable number.

133364216 is a deficient number, since it is larger than the sum of its proper divisors (116693704).

133364216 is a wasteful number, since it uses less digits than its factorization.

133364216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670533 (or 16670529 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 133364216 is about 11548.3425650610. The cubic root of 133364216 is about 510.9123946821.

The spelling of 133364216 in words is "one hundred thirty-three million, three hundred sixty-four thousand, two hundred sixteen".