133203242 has 8 divisors (see below), whose sum is σ = 202619232. Its totient is φ = 65663500.

The previous prime is 133203241. The next prime is 133203263. The reversal of 133203242 is 242302331.

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

It is not an unprimeable number, because it can be changed into a prime (133203241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468884 + ... + 469167.

It is an arithmetic number, because the mean of its divisors is an integer number (25327404).

Almost surely, 2^133203242 is an apocalyptic number.

133203242 is a deficient number, since it is larger than the sum of its proper divisors (69415990).

133203242 is an equidigital number, since it uses as much as digits as its factorization.

133203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938124.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133203242 is about 11541.3708891102. The cubic root of 133203242 is about 510.7067505032.

Adding to 133203242 its reverse (242302331), we get a palindrome (375505573).

The spelling of 133203242 in words is "one hundred thirty-three million, two hundred three thousand, two hundred forty-two".