132440015 has 4 divisors (see below), whose sum is σ = 158928024. Its totient is φ = 105952008.

The previous prime is 132439969. The next prime is 132440023. The reversal of 132440015 is 510044231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510044231 = 6857 ⋅74383.

It is a cyclic number.

It is not a de Polignac number, because 132440015 - 2²⁰ = 131391439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13243997 + ... + 13244006.

It is an arithmetic number, because the mean of its divisors is an integer number (39732006).

Almost surely, 2^132440015 is an apocalyptic number.

132440015 is a deficient number, since it is larger than the sum of its proper divisors (26488009).

132440015 is an equidigital number, since it uses as much as digits as its factorization.

132440015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26488008.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 132440015 is about 11508.2585563586. The cubic root of 132440015 is about 509.7294669255.

Adding to 132440015 its reverse (510044231), we get a palindrome (642484246).

The spelling of 132440015 in words is "one hundred thirty-two million, four hundred forty thousand, fifteen".