140601727122161 has 2 divisors, whose sum is σ = 140601727122162. Its totient is φ = 140601727122160.

The previous prime is 140601727122139. The next prime is 140601727122209. The reversal of 140601727122161 is 161221727106041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118068999793936 + 22532727328225 = 10865956^2 + 4746865^2 .

It is a cyclic number.

It is not a de Polignac number, because 140601727122161 - 2¹⁰ = 140601727121137 is a prime.

It is not a weakly prime, because it can be changed into another prime (140601727127161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70300863561080 + 70300863561081.

It is an arithmetic number, because the mean of its divisors is an integer number (70300863561081).

Almost surely, 2^{140601727122161} is an apocalyptic number.

It is an amenable number.

140601727122161 is a deficient number, since it is larger than the sum of its proper divisors (1).

140601727122161 is an equidigital number, since it uses as much as digits as its factorization.

140601727122161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 140601727122161 in words is "one hundred forty trillion, six hundred one billion, seven hundred twenty-seven million, one hundred twenty-two thousand, one hundred sixty-one".