133712017 has 2 divisors, whose sum is σ = 133712018. Its totient is φ = 133712016.

The previous prime is 133712009. The next prime is 133712053. The reversal of 133712017 is 710217331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 14814801 = 10904^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 133712017 - 2³ = 133712009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133711982 and 133712000.

It is not a weakly prime, because it can be changed into another prime (133712717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66856008 + 66856009.

It is an arithmetic number, because the mean of its divisors is an integer number (66856009).

Almost surely, 2^133712017 is an apocalyptic number.

It is an amenable number.

133712017 is a deficient number, since it is larger than the sum of its proper divisors (1).

133712017 is an equidigital number, since it uses as much as digits as its factorization.

133712017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 133712017 is about 11563.3912413271. The cubic root of 133712017 is about 511.3561458855.

Adding to 133712017 its reverse (710217331), we get a palindrome (843929348).

The spelling of 133712017 in words is "one hundred thirty-three million, seven hundred twelve thousand, seventeen".