133000006 has 4 divisors (see below), whose sum is σ = 199500012. Its totient is φ = 66500002.

The previous prime is 133000001. The next prime is 133000009. The reversal of 133000006 is 600000331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000001) 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, 33250000 + ... + 33250003.

It is an arithmetic number, because the mean of its divisors is an integer number (49875003).

Almost surely, 2^133000006 is an apocalyptic number.

133000006 is a deficient number, since it is larger than the sum of its proper divisors (66500006).

133000006 is an equidigital number, since it uses as much as digits as its factorization.

133000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66500005.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133000006 is about 11532.5628548038. The cubic root of 133000006 is about 510.4468798760.

Adding to 133000006 its reverse (600000331), we get a palindrome (733000337).

The spelling of 133000006 in words is "one hundred thirty-three million, six", and thus it is an aban number.