132878242 has 16 divisors (see below), whose sum is σ = 228742272. Its totient is φ = 56710080.

The previous prime is 132878209. The next prime is 132878243. The reversal of 132878242 is 242878231.

It is not an unprimeable number, because it can be changed into a prime (132878243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16318 + ... + 23065.

It is an arithmetic number, because the mean of its divisors is an integer number (14296392).

Almost surely, 2^132878242 is an apocalyptic number.

132878242 is a deficient number, since it is larger than the sum of its proper divisors (95864030).

132878242 is a wasteful number, since it uses less digits than its factorization.

132878242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39633.

The product of its digits is 43008, while the sum is 37.

The square root of 132878242 is about 11527.2825071653. The cubic root of 132878242 is about 510.2910577496.

The spelling of 132878242 in words is "one hundred thirty-two million, eight hundred seventy-eight thousand, two hundred forty-two".