133150009 has 2 divisors, whose sum is σ = 133150010. Its totient is φ = 133150008.

The previous prime is 133149979. The next prime is 133150019. The reversal of 133150009 is 900051331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90535225 + 42614784 = 9515^2 + 6528^2 .

It is an emirp because it is prime and its reverse (900051331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133150009 - 2²⁵ = 99595577 is a prime.

It is not a weakly prime, because it can be changed into another prime (133150019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66575004 + 66575005.

It is an arithmetic number, because the mean of its divisors is an integer number (66575005).

Almost surely, 2^133150009 is an apocalyptic number.

It is an amenable number.

133150009 is a deficient number, since it is larger than the sum of its proper divisors (1).

133150009 is an equidigital number, since it uses as much as digits as its factorization.

133150009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 133150009 is about 11539.0644768109. The cubic root of 133150009 is about 510.6387089290.

The spelling of 133150009 in words is "one hundred thirty-three million, one hundred fifty thousand, nine".