132431042 has 4 divisors (see below), whose sum is σ = 198646566. Its totient is φ = 66215520.

The previous prime is 132431041. The next prime is 132431053. The reversal of 132431042 is 240134231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 63856081 = 8281^2 + 7991^2 .

It is not an unprimeable number, because it can be changed into a prime (132431041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33107759 + ... + 33107762.

Almost surely, 2^132431042 is an apocalyptic number.

132431042 is a deficient number, since it is larger than the sum of its proper divisors (66215524).

132431042 is an equidigital number, since it uses as much as digits as its factorization.

132431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66215523.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 132431042 is about 11507.8686992857. The cubic root of 132431042 is about 509.7179550326.

Adding to 132431042 its reverse (240134231), we get a palindrome (372565273).

The spelling of 132431042 in words is "one hundred thirty-two million, four hundred thirty-one thousand, forty-two".