140799727801 has 2 divisors, whose sum is σ = 140799727802. Its totient is φ = 140799727800.

The previous prime is 140799727787. The next prime is 140799727819. The reversal of 140799727801 is 108727997041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84041430201 + 56758297600 = 289899^2 + 238240^2 .

It is a cyclic number.

It is not a de Polignac number, because 140799727801 - 2²⁵ = 140766173369 is a prime.

It is not a weakly prime, because it can be changed into another prime (140799727001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70399863900 + 70399863901.

It is an arithmetic number, because the mean of its divisors is an integer number (70399863901).

Almost surely, 2^140799727801 is an apocalyptic number.

It is an amenable number.

140799727801 is a deficient number, since it is larger than the sum of its proper divisors (1).

140799727801 is an equidigital number, since it uses as much as digits as its factorization.

140799727801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 55.

The spelling of 140799727801 in words is "one hundred forty billion, seven hundred ninety-nine million, seven hundred twenty-seven thousand, eight hundred one".