133420606 has 16 divisors (see below), whose sum is σ = 218962800. Its totient is φ = 60468480.

The previous prime is 133420597. The next prime is 133420627. The reversal of 133420606 is 606024331.

133420606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1011 + ... + 16366.

It is an arithmetic number, because the mean of its divisors is an integer number (13685175).

Almost surely, 2^133420606 is an apocalyptic number.

133420606 is a deficient number, since it is larger than the sum of its proper divisors (85542194).

133420606 is a wasteful number, since it uses less digits than its factorization.

133420606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17739.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 133420606 is about 11550.7837829301. The cubic root of 133420606 is about 510.9843937314.

Adding to 133420606 its reverse (606024331), we get a palindrome (739444937).

The spelling of 133420606 in words is "one hundred thirty-three million, four hundred twenty thousand, six hundred six".