140030042 has 8 divisors (see below), whose sum is σ = 210389556. Its totient is φ = 69900192.

The previous prime is 140030041. The next prime is 140030063. The reversal of 140030042 is 240030041.

140030042 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 2 ways, for example, as 89321401 + 50708641 = 9451^2 + 7121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140029999 and 140030026.

It is not an unprimeable number, because it can be changed into a prime (140030041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55883 + ... + 58334.

Almost surely, 2^140030042 is an apocalyptic number.

140030042 is a deficient number, since it is larger than the sum of its proper divisors (70359514).

140030042 is a wasteful number, since it uses less digits than its factorization.

140030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114832.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140030042 is about 11833.4290043081. The cubic root of 140030042 is about 519.2865486973.

Adding to 140030042 its reverse (240030041), we get a palindrome (380060083).

Subtracting 140030042 from its reverse (240030041), we obtain a palindrome (99999999).

The spelling of 140030042 in words is "one hundred forty million, thirty thousand, forty-two".