133852986 has 40 divisors (see below), whose sum is σ = 315722880. Its totient is φ = 42268392.

The previous prime is 133852949. The next prime is 133852993. The reversal of 133852986 is 689258331.

It is a happy number.

133852986 is a `hidden beast` number, since 13 + 38 + 529 + 86 = 666.

It is a super-2 number, since 2×133852986² = 35833243722232392, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18666 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (7893072).

Almost surely, 2^133852986 is an apocalyptic number.

133852986 is an abundant number, since it is smaller than the sum of its proper divisors (181869894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133852986 is a wasteful number, since it uses less digits than its factorization.

133852986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43520 (or 43511 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 133852986 is about 11569.4851225109. The cubic root of 133852986 is about 511.5357858022.

The spelling of 133852986 in words is "one hundred thirty-three million, eight hundred fifty-two thousand, nine hundred eighty-six".