133230243 has 8 divisors (see below), whose sum is σ = 177919168. Its totient is φ = 88680744.

The previous prime is 133230233. The next prime is 133230257. The reversal of 133230243 is 342032331.

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

It is not a de Polignac number, because 133230243 - 2¹³ = 133222051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32605 + ... + 36462.

It is an arithmetic number, because the mean of its divisors is an integer number (22239896).

Almost surely, 2^133230243 is an apocalyptic number.

133230243 is a deficient number, since it is larger than the sum of its proper divisors (44688925).

133230243 is an equidigital number, since it uses as much as digits as its factorization.

133230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69713.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133230243 is about 11542.5405782263. The cubic root of 133230243 is about 510.7412558229.

Adding to 133230243 its reverse (342032331), we get a palindrome (475262574).

The spelling of 133230243 in words is "one hundred thirty-three million, two hundred thirty thousand, two hundred forty-three".