132555440 has 80 divisors (see below), whose sum is σ = 327139776. Its totient is φ = 49843200.

The previous prime is 132555439. The next prime is 132555461. The reversal of 132555440 is 44555231.

132555440 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 (80).

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, 111650 + ... + 112830.

Almost surely, 2^132555440 is an apocalyptic number.

132555440 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 132555440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163569888).

132555440 is an abundant number, since it is smaller than the sum of its proper divisors (194584336).

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

132555440 is a wasteful number, since it uses less digits than its factorization.

132555440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 132555440 is about 11513.2723410853. The cubic root of 132555440 is about 509.8775048624.

It can be divided in two parts, 1325 and 55440, that added together give a palindrome (56765).

The spelling of 132555440 in words is "one hundred thirty-two million, five hundred fifty-five thousand, four hundred forty".