132605440 has 160 divisors (see below), whose sum is σ = 368574624. Its totient is φ = 45219840.

The previous prime is 132605437. The next prime is 132605453. The reversal of 132605440 is 44506231.

It is a tau number, because it is divible by the number of its divisors (160).

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, 478582 + ... + 478858.

Almost surely, 2^132605440 is an apocalyptic number.

132605440 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 132605440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184287312).

132605440 is an abundant number, since it is smaller than the sum of its proper divisors (235969184).

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

132605440 is a wasteful number, since it uses less digits than its factorization.

132605440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 132605440 is about 11515.4435433465. The cubic root of 132605440 is about 509.9416055146.

The spelling of 132605440 in words is "one hundred thirty-two million, six hundred five thousand, four hundred forty".