140512203 has 12 divisors (see below), whose sum is σ = 218574720. Its totient is φ = 86468976.

The previous prime is 140512159. The next prime is 140512213. The reversal of 140512203 is 302215041.

It is not a de Polignac number, because 140512203 - 2⁶ = 140512139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140512213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600363 + ... + 600596.

It is an arithmetic number, because the mean of its divisors is an integer number (18214560).

Almost surely, 2^140512203 is an apocalyptic number.

140512203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140512203 is a deficient number, since it is larger than the sum of its proper divisors (78062517).

140512203 is a wasteful number, since it uses less digits than its factorization.

140512203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200978 (or 1200975 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140512203 is about 11853.7843324400. The cubic root of 140512203 is about 519.8818802220.

Adding to 140512203 its reverse (302215041), we get a palindrome (442727244).

It can be divided in two parts, 140512 and 203, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 140512203 in words is "one hundred forty million, five hundred twelve thousand, two hundred three".