133580234 has 4 divisors (see below), whose sum is σ = 200370354. Its totient is φ = 66790116.

The previous prime is 133580233. The next prime is 133580273. The reversal of 133580234 is 432085331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 10259209 = 11105^2 + 3203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133580197 and 133580206.

It is not an unprimeable number, because it can be changed into a prime (133580233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33395057 + ... + 33395060.

Almost surely, 2^133580234 is an apocalyptic number.

133580234 is a deficient number, since it is larger than the sum of its proper divisors (66790120).

133580234 is an equidigital number, since it uses as much as digits as its factorization.

133580234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66790119.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 133580234 is about 11557.6915515167. The cubic root of 133580234 is about 511.1880976695.

The spelling of 133580234 in words is "one hundred thirty-three million, five hundred eighty thousand, two hundred thirty-four".