133486186 has 16 divisors (see below), whose sum is σ = 206979840. Its totient is φ = 64499040.

The previous prime is 133486151. The next prime is 133486187. The reversal of 133486186 is 681684331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133486187) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 69045 + ... + 70951.

It is an arithmetic number, because the mean of its divisors is an integer number (12936240).

Almost surely, 2^133486186 is an apocalyptic number.

133486186 is a deficient number, since it is larger than the sum of its proper divisors (73493654).

133486186 is a wasteful number, since it uses less digits than its factorization.

133486186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its digits is 82944, while the sum is 40.

The square root of 133486186 is about 11553.6222025822. The cubic root of 133486186 is about 511.0681011102.

The spelling of 133486186 in words is "one hundred thirty-three million, four hundred eighty-six thousand, one hundred eighty-six".