140503503131 has 4 divisors (see below), whose sum is σ = 141951992952. Its totient is φ = 139055013312.

The previous prime is 140503503121. The next prime is 140503503181. The reversal of 140503503131 is 131305305041.

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 140503503131 - 2¹⁸ = 140503240987 is a prime.

It is a super-2 number, since 2×140503503131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140503503131.

It is not an unprimeable number, because it can be changed into a prime (140503503121) 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, 724244765 + ... + 724244958.

It is an arithmetic number, because the mean of its divisors is an integer number (35487998238).

Almost surely, 2^140503503131 is an apocalyptic number.

140503503131 is a deficient number, since it is larger than the sum of its proper divisors (1448489821).

140503503131 is an equidigital number, since it uses as much as digits as its factorization.

140503503131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448489820.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 140503503131 its reverse (131305305041), we get a palindrome (271808808172).

The spelling of 140503503131 in words is "one hundred forty billion, five hundred three million, five hundred three thousand, one hundred thirty-one".