140122122361477 has 2 divisors, whose sum is σ = 140122122361478. Its totient is φ = 140122122361476.

The previous prime is 140122122361471. The next prime is 140122122361537. The reversal of 140122122361477 is 774163221221041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79489332031041 + 60632790330436 = 8915679^2 + 7786706^2 .

It is a cyclic number.

It is not a de Polignac number, because 140122122361477 - 2³⁹ = 139572366547589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140122122361471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061061180738 + 70061061180739.

It is an arithmetic number, because the mean of its divisors is an integer number (70061061180739).

Almost surely, 2^{140122122361477} is an apocalyptic number.

It is an amenable number.

140122122361477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140122122361477 is an equidigital number, since it uses as much as digits as its factorization.

140122122361477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 140122122361477 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred sixty-one thousand, four hundred seventy-seven".