140424610609 has 2 divisors, whose sum is σ = 140424610610. Its totient is φ = 140424610608.

The previous prime is 140424610603. The next prime is 140424610687. The reversal of 140424610609 is 906016424041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138288784384 + 2135826225 = 371872^2 + 46215^2 .

It is a cyclic number.

It is not a de Polignac number, because 140424610609 - 2⁹ = 140424610097 is a prime.

It is not a weakly prime, because it can be changed into another prime (140424610603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212305304 + 70212305305.

It is an arithmetic number, because the mean of its divisors is an integer number (70212305305).

Almost surely, 2^140424610609 is an apocalyptic number.

It is an amenable number.

140424610609 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424610609 is an equidigital number, since it uses as much as digits as its factorization.

140424610609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 140424610609 in words is "one hundred forty billion, four hundred twenty-four million, six hundred ten thousand, six hundred nine".