133285435 has 8 divisors (see below), whose sum is σ = 161002656. Its totient is φ = 105921600.

The previous prime is 133285429. The next prime is 133285447. The reversal of 133285435 is 534582331.

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

It is not a de Polignac number, because 133285435 - 2¹⁷ = 133154363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133285435.

It is an unprimeable number.

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, 87514 + ... + 89023.

It is an arithmetic number, because the mean of its divisors is an integer number (20125332).

Almost surely, 2^133285435 is an apocalyptic number.

133285435 is a deficient number, since it is larger than the sum of its proper divisors (27717221).

133285435 is a wasteful number, since it uses less digits than its factorization.

133285435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176693.

The product of its digits is 43200, while the sum is 34.

The square root of 133285435 is about 11544.9311388159. The cubic root of 133285435 is about 510.8117726944.

The spelling of 133285435 in words is "one hundred thirty-three million, two hundred eighty-five thousand, four hundred thirty-five".