140531003 has 2 divisors, whose sum is σ = 140531004. Its totient is φ = 140531002.

The previous prime is 140530997. The next prime is 140531047. The reversal of 140531003 is 300135041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140531003 - 2¹⁰ = 140529979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140531603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70265501 + 70265502.

It is an arithmetic number, because the mean of its divisors is an integer number (70265502).

Almost surely, 2^140531003 is an apocalyptic number.

140531003 is a deficient number, since it is larger than the sum of its proper divisors (1).

140531003 is an equidigital number, since it uses as much as digits as its factorization.

140531003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 140531003 is about 11854.5773016165. The cubic root of 140531003 is about 519.9050652628.

Adding to 140531003 its reverse (300135041), we get a palindrome (440666044).

The spelling of 140531003 in words is "one hundred forty million, five hundred thirty-one thousand, three".