140877575809 has 2 divisors, whose sum is σ = 140877575810. Its totient is φ = 140877575808.

The previous prime is 140877575779. The next prime is 140877575851. The reversal of 140877575809 is 908575778041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73077227584 + 67800348225 = 270328^2 + 260385^2 .

It is a cyclic number.

It is not a de Polignac number, because 140877575809 - 2²¹ = 140875478657 is a prime.

It is not a weakly prime, because it can be changed into another prime (140877575869) 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, 70438787904 + 70438787905.

It is an arithmetic number, because the mean of its divisors is an integer number (70438787905).

Almost surely, 2^140877575809 is an apocalyptic number.

It is an amenable number.

140877575809 is a deficient number, since it is larger than the sum of its proper divisors (1).

140877575809 is an equidigital number, since it uses as much as digits as its factorization.

140877575809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 140877575809 in words is "one hundred forty billion, eight hundred seventy-seven million, five hundred seventy-five thousand, eight hundred nine".