133220003 has 4 divisors (see below), whose sum is σ = 152251440. Its totient is φ = 114188568.

The previous prime is 133219993. The next prime is 133220011. The reversal of 133220003 is 300022331.

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

It is a cyclic number.

It is not a de Polignac number, because 133220003 - 2⁸ = 133219747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133220003.

It is not an unprimeable number, because it can be changed into a prime (133220083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9515708 + ... + 9515721.

It is an arithmetic number, because the mean of its divisors is an integer number (38062860).

Almost surely, 2^133220003 is an apocalyptic number.

133220003 is a deficient number, since it is larger than the sum of its proper divisors (19031437).

133220003 is an equidigital number, since it uses as much as digits as its factorization.

133220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19031436.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 133220003 is about 11542.0969931811. The cubic root of 133220003 is about 510.7281703944.

Adding to 133220003 its reverse (300022331), we get a palindrome (433242334).

The spelling of 133220003 in words is "one hundred thirty-three million, two hundred twenty thousand, three".