133266250 has 80 divisors (see below), whose sum is σ = 275536800. Its totient is φ = 48024000.

The previous prime is 133266229. The next prime is 133266311. The reversal of 133266250 is 52662331.

133266250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 39 ways as a sum of consecutive naturals, for example, 958681 + ... + 958819.

It is an arithmetic number, because the mean of its divisors is an integer number (3444210).

Almost surely, 2^133266250 is an apocalyptic number.

133266250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133266250 is an abundant number, since it is smaller than the sum of its proper divisors (142270550).

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

133266250 is a wasteful number, since it uses less digits than its factorization.

133266250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 133266250 is about 11544.1002247902. The cubic root of 133266250 is about 510.7872629043.

The spelling of 133266250 in words is "one hundred thirty-three million, two hundred sixty-six thousand, two hundred fifty".