133345585 has 8 divisors (see below), whose sum is σ = 161813160. Its totient is φ = 105477504.

The previous prime is 133345579. The next prime is 133345621. The reversal of 133345585 is 585543331.

It can be written as a sum of positive squares in 4 ways, for example, as 6310144 + 127035441 = 2512^2 + 11271^2 .

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 133345585 - 2³ = 133345577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149382 + ... + 150271.

It is an arithmetic number, because the mean of its divisors is an integer number (20226645).

Almost surely, 2^133345585 is an apocalyptic number.

It is an amenable number.

133345585 is a deficient number, since it is larger than the sum of its proper divisors (28467575).

133345585 is an equidigital number, since it uses as much as digits as its factorization.

133345585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299747.

The product of its digits is 108000, while the sum is 37.

The square root of 133345585 is about 11547.5358843348. The cubic root of 133345585 is about 510.8886020627. Note that the first 3 decimals are identical.

The spelling of 133345585 in words is "one hundred thirty-three million, three hundred forty-five thousand, five hundred eighty-five".