140430203 has 4 divisors (see below), whose sum is σ = 146535888. Its totient is φ = 134324520.

The previous prime is 140430193. The next prime is 140430211. The reversal of 140430203 is 302034041.

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 140430203 - 2⁴ = 140430187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052808 + ... + 3052853.

It is an arithmetic number, because the mean of its divisors is an integer number (36633972).

Almost surely, 2^140430203 is an apocalyptic number.

140430203 is a deficient number, since it is larger than the sum of its proper divisors (6105685).

140430203 is an equidigital number, since it uses as much as digits as its factorization.

140430203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105684.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140430203 is about 11850.3250166398. The cubic root of 140430203 is about 519.7807297912.

Adding to 140430203 its reverse (302034041), we get a palindrome (442464244).

The spelling of 140430203 in words is "one hundred forty million, four hundred thirty thousand, two hundred three".