140486190541729 has 2 divisors, whose sum is σ = 140486190541730. Its totient is φ = 140486190541728.

The previous prime is 140486190541691. The next prime is 140486190541841. The reversal of 140486190541729 is 927145091684041.

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., 131514679960225 + 8971510581504 = 11467985^2 + 2995248^2 .

It is an emirp because it is prime and its reverse (927145091684041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140486190541729 - 2⁷ = 140486190541601 is a prime.

It is not a weakly prime, because it can be changed into another prime (140486190541429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70243095270864 + 70243095270865.

It is an arithmetic number, because the mean of its divisors is an integer number (70243095270865).

Almost surely, 2^{140486190541729} is an apocalyptic number.

It is an amenable number.

140486190541729 is a deficient number, since it is larger than the sum of its proper divisors (1).

140486190541729 is an equidigital number, since it uses as much as digits as its factorization.

140486190541729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 140486190541729 in words is "one hundred forty trillion, four hundred eighty-six billion, one hundred ninety million, five hundred forty-one thousand, seven hundred twenty-nine".