140100242042 has 4 divisors (see below), whose sum is σ = 210150363066. Its totient is φ = 70050121020.

The previous prime is 140100242021. The next prime is 140100242089. The reversal of 140100242042 is 240242001041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133114792801 + 6985449241 = 364849^2 + 83579^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35025060509 + ... + 35025060512.

Almost surely, 2^140100242042 is an apocalyptic number.

140100242042 is a deficient number, since it is larger than the sum of its proper divisors (70050121024).

140100242042 is an equidigital number, since it uses as much as digits as its factorization.

140100242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70050121023.

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

Adding to 140100242042 its reverse (240242001041), we get a palindrome (380342243083).

The spelling of 140100242042 in words is "one hundred forty billion, one hundred million, two hundred forty-two thousand, forty-two".