140034242 has 8 divisors (see below), whose sum is σ = 210117132. Its totient is φ = 69995200.

The previous prime is 140034239. The next prime is 140034269. The reversal of 140034242 is 242430041.

It can be written as a sum of positive squares in 2 ways, for example, as 132963961 + 7070281 = 11531^2 + 2659^2 .

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

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, 1259 + ... + 16782.

Almost surely, 2^140034242 is an apocalyptic number.

140034242 is a deficient number, since it is larger than the sum of its proper divisors (70082890).

140034242 is a wasteful number, since it uses less digits than its factorization.

140034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21924.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140034242 is about 11833.6064663314. The cubic root of 140034242 is about 519.2917403968.

Adding to 140034242 its reverse (242430041), we get a palindrome (382464283).

The spelling of 140034242 in words is "one hundred forty million, thirty-four thousand, two hundred forty-two".