140031042 has 16 divisors (see below), whose sum is σ = 280350720. Its totient is φ = 46628912.

The previous prime is 140031037. The next prime is 140031071. The reversal of 140031042 is 240130041.

140031042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5442 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (17521920).

Almost surely, 2^140031042 is an apocalyptic number.

140031042 is an abundant number, since it is smaller than the sum of its proper divisors (140319678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140031042 is a wasteful number, since it uses less digits than its factorization.

140031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24057.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140031042 is about 11833.4712574122. The cubic root of 140031042 is about 519.2877848256.

Adding to 140031042 its reverse (240130041), we get a palindrome (380161083).

The spelling of 140031042 in words is "one hundred forty million, thirty-one thousand, forty-two".