133312405 has 8 divisors (see below), whose sum is σ = 160221600. Its totient is φ = 106485456.

The previous prime is 133312373. The next prime is 133312423. The reversal of 133312405 is 504213331.

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 133312405 - 2⁵ = 133312373 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16935 + ... + 23524.

It is an arithmetic number, because the mean of its divisors is an integer number (20027700).

Almost surely, 2^133312405 is an apocalyptic number.

It is an amenable number.

133312405 is a deficient number, since it is larger than the sum of its proper divisors (26909195).

133312405 is an equidigital number, since it uses as much as digits as its factorization.

133312405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41123.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133312405 is about 11546.0991248127. The cubic root of 133312405 is about 510.8462242317.

Adding to 133312405 its reverse (504213331), we get a palindrome (637525736).

The spelling of 133312405 in words is "one hundred thirty-three million, three hundred twelve thousand, four hundred five".