140546451181 has 2 divisors, whose sum is σ = 140546451182. Its totient is φ = 140546451180.

The previous prime is 140546451173. The next prime is 140546451281. The reversal of 140546451181 is 181154645041.

140546451181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139479840900 + 1066610281 = 373470^2 + 32659^2 .

It is an emirp because it is prime and its reverse (181154645041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140546451181 - 2³ = 140546451173 is a prime.

It is a super-2 number, since 2×140546451181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140546451281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70273225590 + 70273225591.

It is an arithmetic number, because the mean of its divisors is an integer number (70273225591).

Almost surely, 2^140546451181 is an apocalyptic number.

It is an amenable number.

140546451181 is a deficient number, since it is larger than the sum of its proper divisors (1).

140546451181 is an equidigital number, since it uses as much as digits as its factorization.

140546451181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 140546451181 in words is "one hundred forty billion, five hundred forty-six million, four hundred fifty-one thousand, one hundred eighty-one".