140282042 has 8 divisors (see below), whose sum is σ = 212285556. Its totient is φ = 69520192.

The previous prime is 140281993. The next prime is 140282057. The reversal of 140282042 is 240282041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102839881 + 37442161 = 10141^2 + 6119^2 .

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 = 140281999 and 140282017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310133 + ... + 310584.

Almost surely, 2^140282042 is an apocalyptic number.

140282042 is a deficient number, since it is larger than the sum of its proper divisors (72003514).

140282042 is a wasteful number, since it uses less digits than its factorization.

140282042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620832.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 140282042 is about 11844.0720193690. The cubic root of 140282042 is about 519.5978671056.

Subtracting 140282042 from its reverse (240282041), we obtain a palindrome (99999999).

The spelling of 140282042 in words is "one hundred forty million, two hundred eighty-two thousand, forty-two".