133282785 has 8 divisors (see below), whose sum is σ = 213252480. Its totient is φ = 71084144.

The previous prime is 133282781. The next prime is 133282801. The reversal of 133282785 is 587282331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133282785 - 2² = 133282781 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133282781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442745 + ... + 4442774.

It is an arithmetic number, because the mean of its divisors is an integer number (26656560).

Almost surely, 2^133282785 is an apocalyptic number.

133282785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133282785 is a deficient number, since it is larger than the sum of its proper divisors (79969695).

133282785 is an equidigital number, since it uses as much as digits as its factorization.

133282785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885527.

The product of its digits is 80640, while the sum is 39.

The square root of 133282785 is about 11544.8163692629. The cubic root of 133282785 is about 510.8083873278.

The spelling of 133282785 in words is "one hundred thirty-three million, two hundred eighty-two thousand, seven hundred eighty-five".