132440042 has 24 divisors (see below), whose sum is σ = 239068260. Its totient is φ = 54801600.

The previous prime is 132440041. The next prime is 132440059. The reversal of 132440042 is 240044231.

It can be written as a sum of positive squares in 2 ways, for example, as 126540001 + 5900041 = 11249^2 + 2429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132439996 and 132440023.

It is not an unprimeable number, because it can be changed into a prime (132440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20459 + ... + 26142.

Almost surely, 2^132440042 is an apocalyptic number.

132440042 is a deficient number, since it is larger than the sum of its proper divisors (106628218).

132440042 is a wasteful number, since it uses less digits than its factorization.

132440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46646 (or 46639 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 132440042 is about 11508.2597294291. The cubic root of 132440042 is about 509.7295015643.

Adding to 132440042 its reverse (240044231), we get a palindrome (372484273).

The spelling of 132440042 in words is "one hundred thirty-two million, four hundred forty thousand, forty-two".