140600609 has 2 divisors, whose sum is σ = 140600610. Its totient is φ = 140600608.

The previous prime is 140600533. The next prime is 140600611. The reversal of 140600609 is 906006041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 4528384 = 11665^2 + 2128^2 .

It is a cyclic number.

It is not a de Polignac number, because 140600609 - 2¹² = 140596513 is a prime.

Together with 140600611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140600689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70300304 + 70300305.

It is an arithmetic number, because the mean of its divisors is an integer number (70300305).

Almost surely, 2^140600609 is an apocalyptic number.

It is an amenable number.

140600609 is a deficient number, since it is larger than the sum of its proper divisors (1).

140600609 is an equidigital number, since it uses as much as digits as its factorization.

140600609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 140600609 is about 11857.5127661749. The cubic root of 140600609 is about 519.9908886471.

The spelling of 140600609 in words is "one hundred forty million, six hundred thousand, six hundred nine".