132440 has 64 divisors (see below), whose sum is σ = 380160. Its totient is φ = 40320.

The previous prime is 132439. The next prime is 132469. The reversal of 132440 is 44231.

132440 = T₅₆ + T₅₇ + ... + T₉₈.

132440 is nontrivially palindromic in base 6.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 3059 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (5940).

2¹³²⁴⁴⁰ is an apocalyptic number.

132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190080).

132440 is an abundant number, since it is smaller than the sum of its proper divisors (247720).

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

132440 is a wasteful number, since it uses less digits than its factorization.

132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 132440 is about 363.9230687934. The cubic root of 132440 is about 50.9729447682.

Adding to 132440 its reverse (44231), we get a palindrome (176671).

Subtracting from 132440 its reverse (44231), we obtain a square (88209 = 297²).

The spelling of 132440 in words is "one hundred thirty-two thousand, four hundred forty".