140122123399988 has 6 divisors (see below), whose sum is σ = 245213715949986. Its totient is φ = 70061061699992.

The previous prime is 140122123399987. The next prime is 140122123399997. The reversal of 140122123399988 is 889993321221041.

It can be written as a sum of positive squares in only one way, i.e., 93452977083664 + 46669146316324 = 9667108^2 + 6831482^2 .

It is a super-2 number, since 2×140122123399988² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140122123399988.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 17515265424995 + ... + 17515265425002.

It is an arithmetic number, because the mean of its divisors is an integer number (40868952658331).

Almost surely, 2^{140122123399988} is an apocalyptic number.

It is an amenable number.

140122123399988 is a deficient number, since it is larger than the sum of its proper divisors (105091592549998).

140122123399988 is a wasteful number, since it uses less digits than its factorization.

140122123399988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35030530850001 (or 35030530849999 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 140122123399988 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-eight".