140320303 has 4 divisors (see below), whose sum is σ = 141262200. Its totient is φ = 139378408.

The previous prime is 140320267. The next prime is 140320331. The reversal of 140320303 is 303023041.

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 140320303 - 2¹³ = 140312111 is a prime.

It is a super-3 number, since 3×140320303³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140320373) 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, 470725 + ... + 471022.

It is an arithmetic number, because the mean of its divisors is an integer number (35315550).

Almost surely, 2^140320303 is an apocalyptic number.

140320303 is a deficient number, since it is larger than the sum of its proper divisors (941897).

140320303 is an equidigital number, since it uses as much as digits as its factorization.

140320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941896.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 140320303 is about 11845.6871054405. The cubic root of 140320303 is about 519.6451017732.

Adding to 140320303 its reverse (303023041), we get a palindrome (443343344).

The spelling of 140320303 in words is "one hundred forty million, three hundred twenty thousand, three hundred three".