133045907 has 4 divisors (see below), whose sum is σ = 133080216. Its totient is φ = 133011600.

The previous prime is 133045903. The next prime is 133045909. The reversal of 133045907 is 709540331.

It is a happy number.

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 133045907 - 2² = 133045903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133045903) 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 3 ways as a sum of consecutive naturals, for example, 10469 + ... + 19382.

It is an arithmetic number, because the mean of its divisors is an integer number (33270054).

Almost surely, 2^133045907 is an apocalyptic number.

133045907 is a deficient number, since it is larger than the sum of its proper divisors (34309).

133045907 is an equidigital number, since it uses as much as digits as its factorization.

133045907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34308.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 133045907 is about 11534.5527438215. The cubic root of 133045907 is about 510.5055949796.

The spelling of 133045907 in words is "one hundred thirty-three million, forty-five thousand, nine hundred seven".