132315440 has 40 divisors (see below), whose sum is σ = 317563008. Its totient is φ = 51217920.

The previous prime is 132315439. The next prime is 132315457. The reversal of 132315440 is 44513231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24197 + ... + 29156.

Almost surely, 2^132315440 is an apocalyptic number.

132315440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132315440 is an abundant number, since it is smaller than the sum of its proper divisors (185247568).

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

132315440 is a wasteful number, since it uses less digits than its factorization.

132315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53397 (or 53391 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 132315440 is about 11502.8448655104. The cubic root of 132315440 is about 509.5695971452.

Adding to 132315440 its reverse (44513231), we get a palindrome (176828671).

The spelling of 132315440 in words is "one hundred thirty-two million, three hundred fifteen thousand, four hundred forty".