140442332 has 12 divisors (see below), whose sum is σ = 245874720. Its totient is φ = 70192416.

The previous prime is 140442299. The next prime is 140442359. The reversal of 140442332 is 233244041.

It is a junction number, because it is equal to n+sod(n) for n = 140442298 and 140442307.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6848 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (20489560).

Almost surely, 2^140442332 is an apocalyptic number.

It is an amenable number.

140442332 is a deficient number, since it is larger than the sum of its proper divisors (105432388).

140442332 is a wasteful number, since it uses less digits than its factorization.

140442332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380 (or 14378 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 140442332 is about 11850.8367637058. The cubic root of 140442332 is about 519.7956939011.

Adding to 140442332 its reverse (233244041), we get a palindrome (373686373).

The spelling of 140442332 in words is "one hundred forty million, four hundred forty-two thousand, three hundred thirty-two".