132240424 has 16 divisors (see below), whose sum is σ = 248234400. Its totient is φ = 66044592.

The previous prime is 132240421. The next prime is 132240461. The reversal of 132240424 is 424042231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 132240395 and 132240404.

It is not an unprimeable number, because it can be changed into a prime (132240421) 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, 1642 + ... + 16345.

It is an arithmetic number, because the mean of its divisors is an integer number (15514650).

Almost surely, 2^132240424 is an apocalyptic number.

It is an amenable number.

132240424 is a deficient number, since it is larger than the sum of its proper divisors (115993976).

132240424 is a wasteful number, since it uses less digits than its factorization.

132240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912 (or 18908 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 132240424 is about 11499.5836446369. The cubic root of 132240424 is about 509.4732790859.

Adding to 132240424 its reverse (424042231), we get a palindrome (556282655).

The spelling of 132240424 in words is "one hundred thirty-two million, two hundred forty thousand, four hundred twenty-four".