140335024861 has 2 divisors, whose sum is σ = 140335024862. Its totient is φ = 140335024860.

The previous prime is 140335024831. The next prime is 140335024909. The reversal of 140335024861 is 168420533041.

140335024861 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., 138314072836 + 2020952025 = 371906^2 + 44955^2 .

It is a cyclic number.

It is not a de Polignac number, because 140335024861 - 2¹³ = 140335016669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140335024861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140335024831) 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, 70167512430 + 70167512431.

It is an arithmetic number, because the mean of its divisors is an integer number (70167512431).

Almost surely, 2^140335024861 is an apocalyptic number.

It is an amenable number.

140335024861 is a deficient number, since it is larger than the sum of its proper divisors (1).

140335024861 is an equidigital number, since it uses as much as digits as its factorization.

140335024861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 140335024861 in words is "one hundred forty billion, three hundred thirty-five million, twenty-four thousand, eight hundred sixty-one".