140104442 has 16 divisors (see below), whose sum is σ = 224337600. Its totient is φ = 65429280.

The previous prime is 140104441. The next prime is 140104451. The reversal of 140104442 is 244401041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140104441) 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, 23267 + ... + 28662.

It is an arithmetic number, because the mean of its divisors is an integer number (14021100).

Almost surely, 2^140104442 is an apocalyptic number.

140104442 is a deficient number, since it is larger than the sum of its proper divisors (84233158).

140104442 is a wasteful number, since it uses less digits than its factorization.

140104442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52021.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140104442 is about 11836.5722234100. The cubic root of 140104442 is about 519.3785005820.

Adding to 140104442 its reverse (244401041), we get a palindrome (384505483).

The spelling of 140104442 in words is "one hundred forty million, one hundred four thousand, four hundred forty-two".