140024042 has 8 divisors (see below), whose sum is σ = 210962016. Its totient is φ = 69703372.

The previous prime is 140024029. The next prime is 140024047. The reversal of 140024042 is 240420041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140024042.

It is not an unprimeable number, because it can be changed into a prime (140024047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153758 + ... + 154665.

It is an arithmetic number, because the mean of its divisors is an integer number (26370252).

Almost surely, 2^140024042 is an apocalyptic number.

140024042 is a deficient number, since it is larger than the sum of its proper divisors (70937974).

140024042 is a wasteful number, since it uses less digits than its factorization.

140024042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308652.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 140024042 is about 11833.1754825152. The cubic root of 140024042 is about 519.2791318036.

Adding to 140024042 its reverse (240420041), we get a palindrome (380444083).

The spelling of 140024042 in words is "one hundred forty million, twenty-four thousand, forty-two".