133330805 has 8 divisors (see below), whose sum is σ = 160444800. Its totient is φ = 106366096.

The previous prime is 133330789. The next prime is 133330819. The reversal of 133330805 is 508033331.

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

It is a cyclic number.

It is not a de Polignac number, because 133330805 - 2⁴ = 133330789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 35345 + ... + 38934.

It is an arithmetic number, because the mean of its divisors is an integer number (20055600).

Almost surely, 2^133330805 is an apocalyptic number.

It is an amenable number.

133330805 is a deficient number, since it is larger than the sum of its proper divisors (27113995).

133330805 is an equidigital number, since it uses as much as digits as its factorization.

133330805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74643.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 133330805 is about 11546.8959032287. The cubic root of 133330805 is about 510.8697257658.

The spelling of 133330805 in words is "one hundred thirty-three million, three hundred thirty thousand, eight hundred five".