133666083 has 12 divisors (see below), whose sum is σ = 203235240. Its totient is φ = 84420576.

The previous prime is 133666081. The next prime is 133666129. The reversal of 133666083 is 380666331.

It is not a de Polignac number, because 133666083 - 2¹ = 133666081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133666081) 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 11 ways as a sum of consecutive naturals, for example, 390666 + ... + 391007.

It is an arithmetic number, because the mean of its divisors is an integer number (16936270).

Almost surely, 2^133666083 is an apocalyptic number.

133666083 is a deficient number, since it is larger than the sum of its proper divisors (69569157).

133666083 is a wasteful number, since it uses less digits than its factorization.

133666083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781698 (or 781695 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 133666083 is about 11561.4048886803. The cubic root of 133666083 is about 511.2975839005.

The spelling of 133666083 in words is "one hundred thirty-three million, six hundred sixty-six thousand, eighty-three".