133226003 has 4 divisors (see below), whose sum is σ = 137523648. Its totient is φ = 128928360.

The previous prime is 133225999. The next prime is 133226053. The reversal of 133226003 is 300622331.

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 133226003 - 2² = 133225999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133226053) 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, 2148776 + ... + 2148837.

It is an arithmetic number, because the mean of its divisors is an integer number (34380912).

Almost surely, 2^133226003 is an apocalyptic number.

133226003 is a deficient number, since it is larger than the sum of its proper divisors (4297645).

133226003 is an equidigital number, since it uses as much as digits as its factorization.

133226003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297644.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133226003 is about 11542.3569083615. The cubic root of 133226003 is about 510.7358377190.

Adding to 133226003 its reverse (300622331), we get a palindrome (433848334).

The spelling of 133226003 in words is "one hundred thirty-three million, two hundred twenty-six thousand, three".