133232005 has 8 divisors (see below), whose sum is σ = 164199672. Its totient is φ = 103704768.

The previous prime is 133231949. The next prime is 133232023. The reversal of 133232005 is 500232331.

It can be written as a sum of positive squares in 4 ways, for example, as 8105409 + 125126596 = 2847^2 + 11186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133232005 - 2⁹ = 133231493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359902 + ... + 360271.

It is an arithmetic number, because the mean of its divisors is an integer number (20524959).

Almost surely, 2^133232005 is an apocalyptic number.

It is an amenable number.

133232005 is a deficient number, since it is larger than the sum of its proper divisors (30967667).

133232005 is an equidigital number, since it uses as much as digits as its factorization.

133232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720215.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133232005 is about 11542.6169043246. The cubic root of 133232005 is about 510.7435073691.

Adding to 133232005 its reverse (500232331), we get a palindrome (633464336).

The spelling of 133232005 in words is "one hundred thirty-three million, two hundred thirty-two thousand, five".