140203589 has 2 divisors, whose sum is σ = 140203590. Its totient is φ = 140203588.

The previous prime is 140203579. The next prime is 140203631. The reversal of 140203589 is 985302041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98704225 + 41499364 = 9935^2 + 6442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140203589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140203549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70101794 + 70101795.

It is an arithmetic number, because the mean of its divisors is an integer number (70101795).

Almost surely, 2^140203589 is an apocalyptic number.

It is an amenable number.

140203589 is a deficient number, since it is larger than the sum of its proper divisors (1).

140203589 is an equidigital number, since it uses as much as digits as its factorization.

140203589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 140203589 is about 11840.7596462389. The cubic root of 140203589 is about 519.5009870100.

The spelling of 140203589 in words is "one hundred forty million, two hundred three thousand, five hundred eighty-nine".