133803040 has 96 divisors (see below), whose sum is σ = 363726720. Its totient is φ = 45563904.

The previous prime is 133803017. The next prime is 133803079. The reversal of 133803040 is 40308331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215851 + ... + 216469.

It is an arithmetic number, because the mean of its divisors is an integer number (3788820).

Almost surely, 2^133803040 is an apocalyptic number.

133803040 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 133803040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181863360).

133803040 is an abundant number, since it is smaller than the sum of its proper divisors (229923680).

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

133803040 is a wasteful number, since it uses less digits than its factorization.

133803040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 133803040 is about 11567.3263980922. The cubic root of 133803040 is about 511.4721529425.

The spelling of 133803040 in words is "one hundred thirty-three million, eight hundred three thousand, forty".