140020303 has 4 divisors (see below), whose sum is σ = 140102200. Its totient is φ = 139938408.

The previous prime is 140020271. The next prime is 140020327. The reversal of 140020303 is 303020041.

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

It is a cyclic number.

It is not a de Polignac number, because 140020303 - 2⁵ = 140020271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140020103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38328 + ... + 41821.

It is an arithmetic number, because the mean of its divisors is an integer number (35025550).

Almost surely, 2^140020303 is an apocalyptic number.

140020303 is a deficient number, since it is larger than the sum of its proper divisors (81897).

140020303 is an equidigital number, since it uses as much as digits as its factorization.

140020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81896.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 140020303 is about 11833.0174934376. The cubic root of 140020303 is about 519.2745097356.

Adding to 140020303 its reverse (303020041), we get a palindrome (443040344).

The spelling of 140020303 in words is "one hundred forty million, twenty thousand, three hundred three".