140442298 has 8 divisors (see below), whose sum is σ = 215145792. Its totient is φ = 68727036.

The previous prime is 140442283. The next prime is 140442299. The reversal of 140442298 is 892244041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140442299) 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 3 ways as a sum of consecutive naturals, for example, 746940 + ... + 747127.

It is an arithmetic number, because the mean of its divisors is an integer number (26893224).

Almost surely, 2^140442298 is an apocalyptic number.

140442298 is a deficient number, since it is larger than the sum of its proper divisors (74703494).

140442298 is a wasteful number, since it uses less digits than its factorization.

140442298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494116.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 140442298 is about 11850.8353292078. The cubic root of 140442298 is about 519.7956519550.

The spelling of 140442298 in words is "one hundred forty million, four hundred forty-two thousand, two hundred ninety-eight".