133500580 has 12 divisors (see below), whose sum is σ = 280351260. Its totient is φ = 53400224.

The previous prime is 133500553. The next prime is 133500581. The reversal of 133500580 is 85005331.

It is a happy number.

133500580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 104080804 = 5424^2 + 10202^2 .

It is not an unprimeable number, because it can be changed into a prime (133500581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337495 + ... + 3337534.

It is an arithmetic number, because the mean of its divisors is an integer number (23362605).

Almost surely, 2^133500580 is an apocalyptic number.

133500580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133500580 is an abundant number, since it is smaller than the sum of its proper divisors (146850680).

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

133500580 is a wasteful number, since it uses less digits than its factorization.

133500580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675038 (or 6675036 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 133500580 is about 11554.2451073188. The cubic root of 133500580 is about 511.0864701766.

The spelling of 133500580 in words is "one hundred thirty-three million, five hundred thousand, five hundred eighty".