133045606 has 4 divisors (see below), whose sum is σ = 199568412. Its totient is φ = 66522802.

The previous prime is 133045589. The next prime is 133045609. The reversal of 133045606 is 606540331.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×133045606² = 35402266551814472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133045609) by changing a digit.

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 as a sum of consecutive naturals, namely, 33261400 + ... + 33261403.

It is an arithmetic number, because the mean of its divisors is an integer number (49892103).

Almost surely, 2^133045606 is an apocalyptic number.

133045606 is a deficient number, since it is larger than the sum of its proper divisors (66522806).

133045606 is an equidigital number, since it uses as much as digits as its factorization.

133045606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66522805.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 133045606 is about 11534.5396960607. The cubic root of 133045606 is about 510.5052099939.

Adding to 133045606 its reverse (606540331), we get a palindrome (739585937).

The spelling of 133045606 in words is "one hundred thirty-three million, forty-five thousand, six hundred six".