140122123395913 has 2 divisors, whose sum is σ = 140122123395914. Its totient is φ = 140122123395912.

The previous prime is 140122123395901. The next prime is 140122123395979. The reversal of 140122123395913 is 319593321221041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126761658287104 + 13360465108809 = 11258848^2 + 3655197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140122123395913 is a prime.

It is not a weakly prime, because it can be changed into another prime (140122123395713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061061697956 + 70061061697957.

It is an arithmetic number, because the mean of its divisors is an integer number (70061061697957).

Almost surely, 2^{140122123395913} is an apocalyptic number.

It is an amenable number.

140122123395913 is a deficient number, since it is larger than the sum of its proper divisors (1).

140122123395913 is an equidigital number, since it uses as much as digits as its factorization.

140122123395913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 140122123395913 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred ninety-five thousand, nine hundred thirteen".