140503 has 8 divisors (see below), whose sum is σ = 156816. Its totient is φ = 124800.

The previous prime is 140477. The next prime is 140521. The reversal of 140503 is 305041.

140503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140503 - 2⁹ = 139991 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (19602).

2¹⁴⁰⁵⁰³ is an apocalyptic number.

140503 is a deficient number, since it is larger than the sum of its proper divisors (16313).

140503 is a wasteful number, since it uses less digits than its factorization.

140503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 140503 is about 374.8372980374. The cubic root of 140503 is about 51.9870529897.

Adding to 140503 its reverse (305041), we get a palindrome (445544).

It can be divided in two parts, 1 and 40503, that added together give a palindrome (40504).

The spelling of 140503 in words is "one hundred forty thousand, five hundred three".