140442112003981 has 2 divisors, whose sum is σ = 140442112003982. Its totient is φ = 140442112003980.

The previous prime is 140442112003943. The next prime is 140442112004111. The reversal of 140442112003981 is 189300211244041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119801036873956 + 20641075130025 = 10945366^2 + 4543245^2 .

It is an emirp because it is prime and its reverse (189300211244041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140442112003981 - 2²⁵ = 140442078449549 is a prime.

It is a super-2 number, since 2×140442112003981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140442112003381) 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 as a sum of consecutive naturals, namely, 70221056001990 + 70221056001991.

It is an arithmetic number, because the mean of its divisors is an integer number (70221056001991).

Almost surely, 2^{140442112003981} is an apocalyptic number.

It is an amenable number.

140442112003981 is a deficient number, since it is larger than the sum of its proper divisors (1).

140442112003981 is an equidigital number, since it uses as much as digits as its factorization.

140442112003981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 140442112003981 in words is "one hundred forty trillion, four hundred forty-two billion, one hundred twelve million, three thousand, nine hundred eighty-one".