133345808 has 20 divisors (see below), whose sum is σ = 261472848. Its totient is φ = 65868960.

The previous prime is 133345801. The next prime is 133345813. The reversal of 133345808 is 808543331.

It is a super-2 number, since 2×133345808² = 35562209022345728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133345801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48878 + ... + 51533.

Almost surely, 2^133345808 is an apocalyptic number.

It is an amenable number.

133345808 is a deficient number, since it is larger than the sum of its proper divisors (128127040).

133345808 is a wasteful number, since it uses less digits than its factorization.

133345808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100502 (or 100496 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 133345808 is about 11547.5455400704. The cubic root of 133345808 is about 510.8888868567. Note that the first 5 decimals are identical.

The spelling of 133345808 in words is "one hundred thirty-three million, three hundred forty-five thousand, eight hundred eight".