132321444 has 48 divisors (see below), whose sum is σ = 316021440. Its totient is φ = 43079040.

The previous prime is 132321439. The next prime is 132321487. The reversal of 132321444 is 444123231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118762 + ... + 119870.

It is an arithmetic number, because the mean of its divisors is an integer number (6583780).

Almost surely, 2^132321444 is an apocalyptic number.

It is an amenable number.

132321444 is an abundant number, since it is smaller than the sum of its proper divisors (183699996).

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

132321444 is a wasteful number, since it uses less digits than its factorization.

132321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 132321444 is about 11503.1058414673. The cubic root of 132321444 is about 509.5773045087.

Adding to 132321444 its reverse (444123231), we get a palindrome (576444675).

The spelling of 132321444 in words is "one hundred thirty-two million, three hundred twenty-one thousand, four hundred forty-four".