133165303 has 8 divisors (see below), whose sum is σ = 138340800. Its totient is φ = 128028768.

The previous prime is 133165261. The next prime is 133165327. The reversal of 133165303 is 303561331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133165303 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 (133165343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676 + ... + 16537.

It is an arithmetic number, because the mean of its divisors is an integer number (17292600).

Almost surely, 2^133165303 is an apocalyptic number.

133165303 is a deficient number, since it is larger than the sum of its proper divisors (5175497).

133165303 is a wasteful number, since it uses less digits than its factorization.

133165303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19481.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 133165303 is about 11539.7271631525. The cubic root of 133165303 is about 510.6582593331.

The spelling of 133165303 in words is "one hundred thirty-three million, one hundred sixty-five thousand, three hundred three".