133323242 has 24 divisors (see below), whose sum is σ = 217820484. Its totient is φ = 60839424.

The previous prime is 133323227. The next prime is 133323259. The reversal of 133323242 is 242323331.

It can be written as a sum of positive squares in 2 ways, for example, as 119268241 + 14055001 = 10921^2 + 3749^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 690698 + ... + 690890.

Almost surely, 2^133323242 is an apocalyptic number.

133323242 is a deficient number, since it is larger than the sum of its proper divisors (84497242).

133323242 is a wasteful number, since it uses less digits than its factorization.

133323242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 371 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 133323242 is about 11546.5684079730. The cubic root of 133323242 is about 510.8600661307.

Adding to 133323242 its reverse (242323331), we get a palindrome (375646573).

The spelling of 133323242 in words is "one hundred thirty-three million, three hundred twenty-three thousand, two hundred forty-two".