140399271641 has 2 divisors, whose sum is σ = 140399271642. Its totient is φ = 140399271640.

The previous prime is 140399271601. The next prime is 140399271743. The reversal of 140399271641 is 146172993041.

140399271641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113313024400 + 27086247241 = 336620^2 + 164579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140399271641 is a prime.

It is not a weakly prime, because it can be changed into another prime (140399271601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70199635820 + 70199635821.

It is an arithmetic number, because the mean of its divisors is an integer number (70199635821).

Almost surely, 2^140399271641 is an apocalyptic number.

It is an amenable number.

140399271641 is a deficient number, since it is larger than the sum of its proper divisors (1).

140399271641 is an equidigital number, since it uses as much as digits as its factorization.

140399271641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 140399271641 in words is "one hundred forty billion, three hundred ninety-nine million, two hundred seventy-one thousand, six hundred forty-one".