140503020739981 has 2 divisors, whose sum is σ = 140503020739982. Its totient is φ = 140503020739980.

The previous prime is 140503020739979. The next prime is 140503020740153. The reversal of 140503020739981 is 189937020305041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134928180307881 + 5574840432100 = 11615859^2 + 2361110^2 .

It is a cyclic number.

It is not a de Polignac number, because 140503020739981 - 2¹ = 140503020739979 is a prime.

It is a super-2 number, since 2×140503020739981² (a number of 29 digits) contains 22 as substring.

Together with 140503020739979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140503020739901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70251510369990 + 70251510369991.

It is an arithmetic number, because the mean of its divisors is an integer number (70251510369991).

Almost surely, 2^{140503020739981} is an apocalyptic number.

It is an amenable number.

140503020739981 is a deficient number, since it is larger than the sum of its proper divisors (1).

140503020739981 is an equidigital number, since it uses as much as digits as its factorization.

140503020739981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 140503020739981 in words is "one hundred forty trillion, five hundred three billion, twenty million, seven hundred thirty-nine thousand, nine hundred eighty-one".