133627220 has 12 divisors (see below), whose sum is σ = 280617204. Its totient is φ = 53450880.

The previous prime is 133627199. The next prime is 133627231. The reversal of 133627220 is 22726331.

It can be written as a sum of positive squares in 2 ways, for example, as 89378116 + 44249104 = 9454^2 + 6652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133627220.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 3340661 + ... + 3340700.

It is an arithmetic number, because the mean of its divisors is an integer number (23384767).

Almost surely, 2^133627220 is an apocalyptic number.

133627220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133627220 is an abundant number, since it is smaller than the sum of its proper divisors (146989984).

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

133627220 is a wasteful number, since it uses less digits than its factorization.

133627220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681370 (or 6681368 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133627220 is about 11559.7240451492. The cubic root of 133627220 is about 511.2480263672.

The spelling of 133627220 in words is "one hundred thirty-three million, six hundred twenty-seven thousand, two hundred twenty".