133582 has 4 divisors (see below), whose sum is σ = 200376. Its totient is φ = 66790.

The previous prime is 133571. The next prime is 133583. The reversal of 133582 is 285331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 285331 = 29 ⋅9839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33394 + ... + 33397.

It is an arithmetic number, because the mean of its divisors is an integer number (50094).

2¹³³⁵⁸² is an apocalyptic number.

133582 is a deficient number, since it is larger than the sum of its proper divisors (66794).

133582 is an equidigital number, since it uses as much as digits as its factorization.

133582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66793.

The product of its digits is 720, while the sum is 22.

The square root of 133582 is about 365.4887139160. The cubic root of 133582 is about 51.1190350384.

The spelling of 133582 in words is "one hundred thirty-three thousand, five hundred eighty-two".