133021850 has 48 divisors (see below), whose sum is σ = 280502880. Its totient is φ = 46526400.

The previous prime is 133021849. The next prime is 133021901. The reversal of 133021850 is 58120331.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6965 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (5843810).

Almost surely, 2^133021850 is an apocalyptic number.

133021850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133021850 is an abundant number, since it is smaller than the sum of its proper divisors (147481030).

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

133021850 is a wasteful number, since it uses less digits than its factorization.

133021850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 133021850 is about 11533.5098734080. The cubic root of 133021850 is about 510.4748237125.

The spelling of 133021850 in words is "one hundred thirty-three million, twenty-one thousand, eight hundred fifty".