133082217 has 8 divisors (see below), whose sum is σ = 197158880. Its totient is φ = 88721460.

The previous prime is 133082203. The next prime is 133082219. The reversal of 133082217 is 712280331.

It is not a de Polignac number, because 133082217 - 2⁸ = 133081961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4928971 = 133082217 / (1 + 3 + 3 + 0 + 8 + 2 + 2 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133082219) 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 7 ways as a sum of consecutive naturals, for example, 2464459 + ... + 2464512.

It is an arithmetic number, because the mean of its divisors is an integer number (24644860).

Almost surely, 2^133082217 is an apocalyptic number.

It is an amenable number.

133082217 is a deficient number, since it is larger than the sum of its proper divisors (64076663).

133082217 is an equidigital number, since it uses as much as digits as its factorization.

133082217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928980 (or 4928974 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 133082217 is about 11536.1266029807. The cubic root of 133082217 is about 510.5520320141.

The spelling of 133082217 in words is "one hundred thirty-three million, eighty-two thousand, two hundred seventeen".