140156118481 has 2 divisors, whose sum is σ = 140156118482. Its totient is φ = 140156118480.

The previous prime is 140156118451. The next prime is 140156118499. The reversal of 140156118481 is 184811651041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112487122881 + 27668995600 = 335391^2 + 166340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140156118481 is a prime.

It is a super-2 number, since 2×140156118481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140156118451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70078059240 + 70078059241.

It is an arithmetic number, because the mean of its divisors is an integer number (70078059241).

Almost surely, 2^140156118481 is an apocalyptic number.

It is an amenable number.

140156118481 is a deficient number, since it is larger than the sum of its proper divisors (1).

140156118481 is an equidigital number, since it uses as much as digits as its factorization.

140156118481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 40.

The spelling of 140156118481 in words is "one hundred forty billion, one hundred fifty-six million, one hundred eighteen thousand, four hundred eighty-one".