133805368 has 16 divisors (see below), whose sum is σ = 265643280. Its totient is φ = 62967168.

The previous prime is 133805341. The next prime is 133805461. The reversal of 133805368 is 863508331.

It is a congruent number.

It is an unprimeable number.

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, 491796 + ... + 492067.

It is an arithmetic number, because the mean of its divisors is an integer number (16602705).

Almost surely, 2^133805368 is an apocalyptic number.

It is an amenable number.

133805368 is a deficient number, since it is larger than the sum of its proper divisors (131837912).

133805368 is a wasteful number, since it uses less digits than its factorization.

133805368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983886 (or 983882 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 133805368 is about 11567.4270259207. The cubic root of 133805368 is about 511.4751192435.

The spelling of 133805368 in words is "one hundred thirty-three million, eight hundred five thousand, three hundred sixty-eight".