133230248 has 16 divisors (see below), whose sum is σ = 250120500. Its totient is φ = 66531456.

The previous prime is 133230233. The next prime is 133230257. The reversal of 133230248 is 842032331.

133230248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129458884 + 3771364 = 11378^2 + 1942^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413 + ... + 16676.

Almost surely, 2^133230248 is an apocalyptic number.

It is an amenable number.

133230248 is a deficient number, since it is larger than the sum of its proper divisors (116890252).

133230248 is a wasteful number, since it uses less digits than its factorization.

133230248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20924 (or 20920 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 133230248 is about 11542.5407948164. The cubic root of 133230248 is about 510.7412622121.

Adding to 133230248 its reverse (842032331), we get a palindrome (975262579).

The spelling of 133230248 in words is "one hundred thirty-three million, two hundred thirty thousand, two hundred forty-eight".