140424610561 has 2 divisors, whose sum is σ = 140424610562. Its totient is φ = 140424610560.

The previous prime is 140424610559. The next prime is 140424610567. The reversal of 140424610561 is 165016424041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94556250000 + 45868360561 = 307500^2 + 214169^2 .

It is a cyclic number.

It is not a de Polignac number, because 140424610561 - 2¹ = 140424610559 is a prime.

Together with 140424610559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140424610567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212305280 + 70212305281.

It is an arithmetic number, because the mean of its divisors is an integer number (70212305281).

Almost surely, 2^140424610561 is an apocalyptic number.

It is an amenable number.

140424610561 is a deficient number, since it is larger than the sum of its proper divisors (1).

140424610561 is an equidigital number, since it uses as much as digits as its factorization.

140424610561 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 34.

The spelling of 140424610561 in words is "one hundred forty billion, four hundred twenty-four million, six hundred ten thousand, five hundred sixty-one".