132144240 has 80 divisors (see below), whose sum is σ = 431222400. Its totient is φ = 33382656.

The previous prime is 132144209. The next prime is 132144253. The reversal of 132144240 is 42441231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9930 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^132144240 is an apocalyptic number.

132144240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132144240 is an abundant number, since it is smaller than the sum of its proper divisors (299078160).

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

132144240 is a wasteful number, since it uses less digits than its factorization.

132144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014 (or 29008 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 132144240 is about 11495.4008194582. The cubic root of 132144240 is about 509.3497287072.

Adding to 132144240 its reverse (42441231), we get a palindrome (174585471).

The spelling of 132144240 in words is "one hundred thirty-two million, one hundred forty-four thousand, two hundred forty".