140240503 has 4 divisors (see below), whose sum is σ = 151028248. Its totient is φ = 129452760.

The previous prime is 140240479. The next prime is 140240533. The reversal of 140240503 is 305042041.

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 140240503 - 2²⁵ = 106686071 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 (140240533) 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, 5393853 + ... + 5393878.

It is an arithmetic number, because the mean of its divisors is an integer number (37757062).

Almost surely, 2^140240503 is an apocalyptic number.

140240503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140240503 is a deficient number, since it is larger than the sum of its proper divisors (10787745).

140240503 is a wasteful number, since it uses less digits than its factorization.

140240503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787744.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140240503 is about 11842.3183118847. The cubic root of 140240503 is about 519.5465758968.

Adding to 140240503 its reverse (305042041), we get a palindrome (445282544).

It can be divided in two parts, 1402 and 40503, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 140240503 in words is "one hundred forty million, two hundred forty thousand, five hundred three".