133801360 has 240 divisors, whose sum is σ = 412205760. Its totient is φ = 39889920.

The previous prime is 133801357. The next prime is 133801387. The reversal of 133801360 is 63108331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250427 + ... + 1250533.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524).

Almost surely, 2^133801360 is an apocalyptic number.

133801360 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 133801360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206102880).

133801360 is an abundant number, since it is smaller than the sum of its proper divisors (278404400).

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

133801360 is a wasteful number, since it uses less digits than its factorization.

133801360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 133801360 is about 11567.2537795278. The cubic root of 133801360 is about 511.4700122916.

Adding to 133801360 its reverse (63108331), we get a palindrome (196909691).

The spelling of 133801360 in words is "one hundred thirty-three million, eight hundred one thousand, three hundred sixty".