140208589 has 2 divisors, whose sum is σ = 140208590. Its totient is φ = 140208588.

The previous prime is 140208587. The next prime is 140208611. The reversal of 140208589 is 985802041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81180100 + 59028489 = 9010^2 + 7683^2 .

It is a cyclic number.

It is not a de Polignac number, because 140208589 - 2¹ = 140208587 is a prime.

Together with 140208587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140208583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70104294 + 70104295.

It is an arithmetic number, because the mean of its divisors is an integer number (70104295).

Almost surely, 2^140208589 is an apocalyptic number.

It is an amenable number.

140208589 is a deficient number, since it is larger than the sum of its proper divisors (1).

140208589 is an equidigital number, since it uses as much as digits as its factorization.

140208589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 140208589 is about 11840.9707794589. The cubic root of 140208589 is about 519.5071624916.

The spelling of 140208589 in words is "one hundred forty million, two hundred eight thousand, five hundred eighty-nine".