133227407 has 2 divisors, whose sum is σ = 133227408. Its totient is φ = 133227406.

The previous prime is 133227401. The next prime is 133227427. The reversal of 133227407 is 704722331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133227407 - 2⁸ = 133227151 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 133227407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133227401) 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, 66613703 + 66613704.

It is an arithmetic number, because the mean of its divisors is an integer number (66613704).

Almost surely, 2^133227407 is an apocalyptic number.

133227407 is a deficient number, since it is larger than the sum of its proper divisors (1).

133227407 is an equidigital number, since it uses as much as digits as its factorization.

133227407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 133227407 is about 11542.4177276687. The cubic root of 133227407 is about 510.7376318397.

Adding to 133227407 its reverse (704722331), we get a palindrome (837949738).

The spelling of 133227407 in words is "one hundred thirty-three million, two hundred twenty-seven thousand, four hundred seven".