133030232 has 16 divisors (see below), whose sum is σ = 249671760. Its totient is φ = 66451104.

The previous prime is 133030217. The next prime is 133030243. The reversal of 133030232 is 232030331.

It is a self number, because there is not a number n which added to its sum of digits gives 133030232.

It is a congruent number.

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, 1493 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (15604485).

Almost surely, 2^133030232 is an apocalyptic number.

It is an amenable number.

133030232 is a deficient number, since it is larger than the sum of its proper divisors (116641528).

133030232 is a wasteful number, since it uses less digits than its factorization.

133030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010 (or 16006 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 133030232 is about 11533.8732436246. The cubic root of 133030232 is about 510.4855455353.

Adding to 133030232 its reverse (232030331), we get a palindrome (365060563).

Subtracting 133030232 from its reverse (232030331), we obtain a palindrome (99000099).

The spelling of 133030232 in words is "one hundred thirty-three million, thirty thousand, two hundred thirty-two".