133482073 has 4 divisors (see below), whose sum is σ = 133815348. Its totient is φ = 133148800.

The previous prime is 133482071. The next prime is 133482077. The reversal of 133482073 is 370284331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66455104 + 67026969 = 8152^2 + 8187^2 .

It is a cyclic number.

It is not a de Polignac number, because 133482073 - 2¹ = 133482071 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133482071) 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, 166036 + ... + 166837.

It is an arithmetic number, because the mean of its divisors is an integer number (33453837).

Almost surely, 2^133482073 is an apocalyptic number.

It is an amenable number.

133482073 is a deficient number, since it is larger than the sum of its proper divisors (333275).

133482073 is an equidigital number, since it uses as much as digits as its factorization.

133482073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333274.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 133482073 is about 11553.4442050845. Note that the first 3 decimals coincide. The cubic root of 133482073 is about 511.0628520160.

The spelling of 133482073 in words is "one hundred thirty-three million, four hundred eighty-two thousand, seventy-three".