132303440 has 40 divisors (see below), whose sum is σ = 308417760. Its totient is φ = 52781696.

The previous prime is 132303439. The next prime is 132303487. The reversal of 132303440 is 44303231.

132303440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 31547 + ... + 35493.

It is an arithmetic number, because the mean of its divisors is an integer number (7710444).

Almost surely, 2^132303440 is an apocalyptic number.

132303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132303440 is an abundant number, since it is smaller than the sum of its proper divisors (176114320).

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

132303440 is a wasteful number, since it uses less digits than its factorization.

132303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4373 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 132303440 is about 11502.3232435887. The cubic root of 132303440 is about 509.5541919891.

Adding to 132303440 its reverse (44303231), we get a palindrome (176606671).

The spelling of 132303440 in words is "one hundred thirty-two million, three hundred three thousand, four hundred forty".