140166466129 has 2 divisors, whose sum is σ = 140166466130. Its totient is φ = 140166466128.

The previous prime is 140166466087. The next prime is 140166466147. The reversal of 140166466129 is 921664661041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121817054529 + 18349411600 = 349023^2 + 135460^2 .

It is a cyclic number.

It is not a de Polignac number, because 140166466129 - 2⁹ = 140166465617 is a prime.

It is not a weakly prime, because it can be changed into another prime (140166466169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70083233064 + 70083233065.

It is an arithmetic number, because the mean of its divisors is an integer number (70083233065).

Almost surely, 2^140166466129 is an apocalyptic number.

It is an amenable number.

140166466129 is a deficient number, since it is larger than the sum of its proper divisors (1).

140166466129 is an equidigital number, since it uses as much as digits as its factorization.

140166466129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 140166466129 in words is "one hundred forty billion, one hundred sixty-six million, four hundred sixty-six thousand, one hundred twenty-nine".