140067589 has 2 divisors, whose sum is σ = 140067590. Its totient is φ = 140067588.

The previous prime is 140067523. The next prime is 140067611. The reversal of 140067589 is 985760041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 51236964 = 9425^2 + 7158^2 .

It is a cyclic number.

It is not a de Polignac number, because 140067589 - 2⁹ = 140067077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140062589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70033794 + 70033795.

It is an arithmetic number, because the mean of its divisors is an integer number (70033795).

Almost surely, 2^140067589 is an apocalyptic number.

It is an amenable number.

140067589 is a deficient number, since it is larger than the sum of its proper divisors (1).

140067589 is an equidigital number, since it uses as much as digits as its factorization.

140067589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 140067589 is about 11835.0153781058. The cubic root of 140067589 is about 519.3329575711.

The spelling of 140067589 in words is "one hundred forty million, sixty-seven thousand, five hundred eighty-nine".