133839200 has 144 divisors (see below), whose sum is σ = 363351744. Its totient is φ = 47731200.

The previous prime is 133839197. The next prime is 133839217. The reversal of 133839200 is 2938331.

It is a congruent number.

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, 589487 + ... + 589713.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^133839200 is an apocalyptic number.

133839200 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 133839200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181675872).

133839200 is an abundant number, since it is smaller than the sum of its proper divisors (229512544).

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

133839200 is a wasteful number, since it uses less digits than its factorization.

133839200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 133839200 is about 11568.8893157468. The cubic root of 133839200 is about 511.5182235630.

The spelling of 133839200 in words is "one hundred thirty-three million, eight hundred thirty-nine thousand, two hundred".