140240302 has 4 divisors (see below), whose sum is σ = 210360456. Its totient is φ = 70120150.

The previous prime is 140240267. The next prime is 140240341. The reversal of 140240302 is 203042041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203042041 = 997 ⋅203653.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060074 + ... + 35060077.

It is an arithmetic number, because the mean of its divisors is an integer number (52590114).

Almost surely, 2^140240302 is an apocalyptic number.

140240302 is a deficient number, since it is larger than the sum of its proper divisors (70120154).

140240302 is an equidigital number, since it uses as much as digits as its factorization.

140240302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70120153.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140240302 is about 11842.3098253677. The cubic root of 140240302 is about 519.5463276829.

Adding to 140240302 its reverse (203042041), we get a palindrome (343282343).

The spelling of 140240302 in words is "one hundred forty million, two hundred forty thousand, three hundred two".