133063909 has 16 divisors (see below), whose sum is σ = 149253120. Its totient is φ = 117592560.

The previous prime is 133063907. The next prime is 133063969. The reversal of 133063909 is 909360331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133063909 - 2¹ = 133063907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133063907) 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 in 15 ways as a sum of consecutive naturals, for example, 83482 + ... + 85060.

It is an arithmetic number, because the mean of its divisors is an integer number (9328320).

Almost surely, 2^133063909 is an apocalyptic number.

It is an amenable number.

133063909 is a deficient number, since it is larger than the sum of its proper divisors (16189211).

133063909 is a wasteful number, since it uses less digits than its factorization.

133063909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 133063909 is about 11535.3330684467. Note that the first 3 decimals coincide. The cubic root of 133063909 is about 510.5286188803.

The spelling of 133063909 in words is "one hundred thirty-three million, sixty-three thousand, nine hundred nine".