133004405 has 8 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 106362256.

The previous prime is 133004393. The next prime is 133004419. The reversal of 133004405 is 504400331.

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 133004405 - 2⁶ = 133004341 is a prime.

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, 22556 + ... + 27834.

It is an arithmetic number, because the mean of its divisors is an integer number (19958400).

Almost surely, 2^133004405 is an apocalyptic number.

It is an amenable number.

133004405 is a deficient number, since it is larger than the sum of its proper divisors (26662795).

133004405 is an equidigital number, since it uses as much as digits as its factorization.

133004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133004405 is about 11532.7535740603. The cubic root of 133004405 is about 510.4525075226.

Adding to 133004405 its reverse (504400331), we get a palindrome (637404736).

The spelling of 133004405 in words is "one hundred thirty-three million, four thousand, four hundred five".