133845300 has 108 divisors (see below), whose sum is σ = 423195136. Its totient is φ = 35380800.

The previous prime is 133845293. The next prime is 133845319. The reversal of 133845300 is 3548331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113715 + ... + 114885.

Almost surely, 2^133845300 is an apocalyptic number.

133845300 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 133845300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211597568).

133845300 is an abundant number, since it is smaller than the sum of its proper divisors (289349836).

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

133845300 is a wasteful number, since it uses less digits than its factorization.

133845300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 133845300 is about 11569.1529508430. The cubic root of 133845300 is about 511.5259946141.

The spelling of 133845300 in words is "one hundred thirty-three million, eight hundred forty-five thousand, three hundred".