140230042 has 16 divisors (see below), whose sum is σ = 222967080. Its totient is φ = 65916928.

The previous prime is 140230039. The next prime is 140230043. The reversal of 140230042 is 240032041.

140230042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 140161921 + 68121 = 11839^2 + 261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140229998 and 140230025.

It is not an unprimeable number, because it can be changed into a prime (140230043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39684 + ... + 43072.

Almost surely, 2^140230042 is an apocalyptic number.

140230042 is a deficient number, since it is larger than the sum of its proper divisors (82737038).

140230042 is a wasteful number, since it uses less digits than its factorization.

140230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140230042 is about 11841.8766249273. The cubic root of 140230042 is about 519.5336573468.

Adding to 140230042 its reverse (240032041), we get a palindrome (380262083).

The spelling of 140230042 in words is "one hundred forty million, two hundred thirty thousand, forty-two".