140503889321 has 4 divisors (see below), whose sum is σ = 141003903444. Its totient is φ = 140003875200.

The previous prime is 140503889297. The next prime is 140503889359. The reversal of 140503889321 is 123988305041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112603198096 + 27900691225 = 335564^2 + 167035^2 .

It is a cyclic number.

It is not a de Polignac number, because 140503889321 - 2¹⁰ = 140503888297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140503889381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250006640 + ... + 250007201.

It is an arithmetic number, because the mean of its divisors is an integer number (35250975861).

Almost surely, 2^140503889321 is an apocalyptic number.

It is an amenable number.

140503889321 is a deficient number, since it is larger than the sum of its proper divisors (500014123).

140503889321 is an equidigital number, since it uses as much as digits as its factorization.

140503889321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500014122.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 140503889321 in words is "one hundred forty billion, five hundred three million, eight hundred eighty-nine thousand, three hundred twenty-one".