133823085 has 64 divisors (see below), whose sum is σ = 246343680. Its totient is φ = 61402880.

The previous prime is 133823071. The next prime is 133823161. The reversal of 133823085 is 580328331.

It is not a de Polignac number, because 133823085 - 2⁶ = 133823021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679207 + ... + 679403.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^133823085 is an apocalyptic number.

133823085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133823085 is a deficient number, since it is larger than the sum of its proper divisors (112520595).

133823085 is a wasteful number, since it uses less digits than its factorization.

133823085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 133823085 is about 11568.1928147831. The cubic root of 133823085 is about 511.4976928390.

The spelling of 133823085 in words is "one hundred thirty-three million, eight hundred twenty-three thousand, eighty-five".