133435685 has 8 divisors (see below), whose sum is σ = 160747416. Its totient is φ = 106332160.

The previous prime is 133435649. The next prime is 133435693. The reversal of 133435685 is 586534331.

It can be written as a sum of positive squares in 4 ways, for example, as 57501889 + 75933796 = 7583^2 + 8714^2 .

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

It is not a de Polignac number, because 133435685 - 2⁸ = 133435429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50636 + ... + 53205.

It is an arithmetic number, because the mean of its divisors is an integer number (20093427).

Almost surely, 2^133435685 is an apocalyptic number.

It is an amenable number.

133435685 is a deficient number, since it is larger than the sum of its proper divisors (27311731).

133435685 is a wasteful number, since it uses less digits than its factorization.

133435685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104103.

The product of its digits is 129600, while the sum is 38.

The square root of 133435685 is about 11551.4364907573. The cubic root of 133435685 is about 511.0036432403.

The spelling of 133435685 in words is "one hundred thirty-three million, four hundred thirty-five thousand, six hundred eighty-five".