140530603 has 2 divisors, whose sum is σ = 140530604. Its totient is φ = 140530602.

The previous prime is 140530601. The next prime is 140530639. The reversal of 140530603 is 306035041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140530603 - 2¹ = 140530601 is a prime.

Together with 140530601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140530601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70265301 + 70265302.

It is an arithmetic number, because the mean of its divisors is an integer number (70265302).

Almost surely, 2^140530603 is an apocalyptic number.

140530603 is a deficient number, since it is larger than the sum of its proper divisors (1).

140530603 is an equidigital number, since it uses as much as digits as its factorization.

140530603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 140530603 is about 11854.5604304841. The cubic root of 140530603 is about 519.9045719856.

Adding to 140530603 its reverse (306035041), we get a palindrome (446565644).

The spelling of 140530603 in words is "one hundred forty million, five hundred thirty thousand, six hundred three".