133241412 has 24 divisors (see below), whose sum is σ = 311161536. Its totient is φ = 44375968.

The previous prime is 133241401. The next prime is 133241413. The reversal of 133241412 is 214142331.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (133241413) 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 7 ways as a sum of consecutive naturals, for example, 12433 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (12965064).

Almost surely, 2^133241412 is an apocalyptic number.

133241412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133241412 is an abundant number, since it is smaller than the sum of its proper divisors (177920124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133241412 is a wasteful number, since it uses less digits than its factorization.

133241412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467 (or 9465 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 133241412 is about 11543.0243870487. The cubic root of 133241412 is about 510.7555276318.

Adding to 133241412 its reverse (214142331), we get a palindrome (347383743).

The spelling of 133241412 in words is "one hundred thirty-three million, two hundred forty-one thousand, four hundred twelve".