133456383 has 16 divisors (see below), whose sum is σ = 199755360. Its totient is φ = 88051968.

The previous prime is 133456363. The next prime is 133456387. The reversal of 133456383 is 383654331.

133456383 is a `hidden beast` number, since 13 + 3 + 4 + 5 + 638 + 3 = 666.

It is not a de Polignac number, because 133456383 - 2⁶ = 133456319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133456387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22860 + ... + 28097.

It is an arithmetic number, because the mean of its divisors is an integer number (12484710).

Almost surely, 2^133456383 is an apocalyptic number.

133456383 is a deficient number, since it is larger than the sum of its proper divisors (66298977).

133456383 is an equidigital number, since it uses as much as digits as its factorization.

133456383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51063 (or 51057 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 133456383 is about 11552.3323619086. The cubic root of 133456383 is about 511.0300634756.

The spelling of 133456383 in words is "one hundred thirty-three million, four hundred fifty-six thousand, three hundred eighty-three".