132144428 has 24 divisors (see below), whose sum is σ = 250549152. Its totient is φ = 60620544.

The previous prime is 132144421. The next prime is 132144431. The reversal of 132144428 is 824441231.

It is a self number, because there is not a number n which added to its sum of digits gives 132144428.

It is not an unprimeable number, because it can be changed into a prime (132144421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 16292.

It is an arithmetic number, because the mean of its divisors is an integer number (10439548).

Almost surely, 2^132144428 is an apocalyptic number.

It is an amenable number.

132144428 is a deficient number, since it is larger than the sum of its proper divisors (118404724).

132144428 is a wasteful number, since it uses less digits than its factorization.

132144428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401 (or 15399 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 132144428 is about 11495.4089966386. The cubic root of 132144428 is about 509.3499702557.

Adding to 132144428 its reverse (824441231), we get a palindrome (956585659).

The spelling of 132144428 in words is "one hundred thirty-two million, one hundred forty-four thousand, four hundred twenty-eight".