140003246 has 8 divisors (see below), whose sum is σ = 210484560. Its totient is φ = 69841728.

The previous prime is 140003221. The next prime is 140003257. The reversal of 140003246 is 642300041.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78851 + ... + 80606.

It is an arithmetic number, because the mean of its divisors is an integer number (26310570).

Almost surely, 2^140003246 is an apocalyptic number.

140003246 is a deficient number, since it is larger than the sum of its proper divisors (70481314).

140003246 is a wasteful number, since it uses less digits than its factorization.

140003246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159898.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140003246 is about 11832.2967339397. The cubic root of 140003246 is about 519.2534232103.

Adding to 140003246 its reverse (642300041), we get a palindrome (782303287).

The spelling of 140003246 in words is "one hundred forty million, three thousand, two hundred forty-six".