133810585 has 16 divisors (see below), whose sum is σ = 162489600. Its totient is φ = 105779520.

The previous prime is 133810577. The next prime is 133810631. The reversal of 133810585 is 585018331.

It is not a de Polignac number, because 133810585 - 2³ = 133810577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133810585.

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 15 ways as a sum of consecutive naturals, for example, 179724 + ... + 180466.

It is an arithmetic number, because the mean of its divisors is an integer number (10155600).

Almost surely, 2^133810585 is an apocalyptic number.

It is an amenable number.

133810585 is a deficient number, since it is larger than the sum of its proper divisors (28679015).

133810585 is a wasteful number, since it uses less digits than its factorization.

133810585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 133810585 is about 11567.6525276307. The cubic root of 133810585 is about 511.4817665379.

The spelling of 133810585 in words is "one hundred thirty-three million, eight hundred ten thousand, five hundred eighty-five".