140661024041 has 2 divisors, whose sum is σ = 140661024042. Its totient is φ = 140661024040.

The previous prime is 140661024037. The next prime is 140661024071. The reversal of 140661024041 is 140420166041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132579733225 + 8081290816 = 364115^2 + 89896^2 .

It is an emirp because it is prime and its reverse (140420166041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140661024041 - 2² = 140661024037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140661023995 and 140661024013.

It is not a weakly prime, because it can be changed into another prime (140661024071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70330512020 + 70330512021.

It is an arithmetic number, because the mean of its divisors is an integer number (70330512021).

Almost surely, 2^140661024041 is an apocalyptic number.

It is an amenable number.

140661024041 is a deficient number, since it is larger than the sum of its proper divisors (1).

140661024041 is an equidigital number, since it uses as much as digits as its factorization.

140661024041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 140661024041 in words is "one hundred forty billion, six hundred sixty-one million, twenty-four thousand, forty-one".