140461442057 has 2 divisors, whose sum is σ = 140461442058. Its totient is φ = 140461442056.

The previous prime is 140461442027. The next prime is 140461442159. The reversal of 140461442057 is 750244164041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140253246016 + 208196041 = 374504^2 + 14429^2 .

It is a cyclic number.

It is not a de Polignac number, because 140461442057 - 2¹⁸ = 140461179913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140461442057.

It is not a weakly prime, because it can be changed into another prime (140461442027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70230721028 + 70230721029.

It is an arithmetic number, because the mean of its divisors is an integer number (70230721029).

Almost surely, 2^140461442057 is an apocalyptic number.

It is an amenable number.

140461442057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140461442057 is an equidigital number, since it uses as much as digits as its factorization.

140461442057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 140461442057 in words is "one hundred forty billion, four hundred sixty-one million, four hundred forty-two thousand, fifty-seven".