133833000 has 128 divisors (see below), whose sum is σ = 477285120. Its totient is φ = 30585600.

The previous prime is 133832989. The next prime is 133833001. The reversal of 133833000 is 338331.

It is a super-2 number, since 2×133833000² = 35822543778000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133833001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17814 + ... + 24186.

It is an arithmetic number, because the mean of its divisors is an integer number (3728790).

Almost surely, 2^133833000 is an apocalyptic number.

133833000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133833000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238642560).

133833000 is an abundant number, since it is smaller than the sum of its proper divisors (343452120).

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

133833000 is a wasteful number, since it uses less digits than its factorization.

133833000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 133833000 is about 11568.6213526072. The cubic root of 133833000 is about 511.5103248757.

The spelling of 133833000 in words is "one hundred thirty-three million, eight hundred thirty-three thousand".