140122123399989 has 6 divisors (see below), whose sum is σ = 202398622688886. Its totient is φ = 93414748933320.

The previous prime is 140122123399987. The next prime is 140122123399997. The reversal of 140122123399989 is 989993321221041.

140122123399989 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 2 + 212 + 339 + 9 + 9 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139759920440100 + 362202959889 = 11822010^2 + 601833^2 .

It is not a de Polignac number, because 140122123399989 - 2¹ = 140122123399987 is a prime.

It is a super-2 number, since 2×140122123399989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140122123399987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7784562411102 + ... + 7784562411119.

It is an arithmetic number, because the mean of its divisors is an integer number (33733103781481).

Almost surely, 2^{140122123399989} is an apocalyptic number.

It is an amenable number.

140122123399989 is a deficient number, since it is larger than the sum of its proper divisors (62276499288897).

140122123399989 is a wasteful number, since it uses less digits than its factorization.

140122123399989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15569124822227 (or 15569124822224 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 140122123399989 in words is "one hundred forty trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred ninety-nine thousand, nine hundred eighty-nine".