140156280893 has 2 divisors, whose sum is σ = 140156280894. Its totient is φ = 140156280892.

The previous prime is 140156280883. The next prime is 140156280907. The reversal of 140156280893 is 398082651041.

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., 82576919044 + 57579361849 = 287362^2 + 239957^2 .

It is a cyclic number.

It is not a de Polignac number, because 140156280893 - 2⁴ = 140156280877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140156280883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70078140446 + 70078140447.

It is an arithmetic number, because the mean of its divisors is an integer number (70078140447).

Almost surely, 2^140156280893 is an apocalyptic number.

It is an amenable number.

140156280893 is a deficient number, since it is larger than the sum of its proper divisors (1).

140156280893 is an equidigital number, since it uses as much as digits as its factorization.

140156280893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 140156280893 in words is "one hundred forty billion, one hundred fifty-six million, two hundred eighty thousand, eight hundred ninety-three".