140546261291 has 2 divisors, whose sum is σ = 140546261292. Its totient is φ = 140546261290.

The previous prime is 140546261281. The next prime is 140546261333. The reversal of 140546261291 is 192162645041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140546261291 is a prime.

It is not a weakly prime, because it can be changed into another prime (140546261281) 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, 70273130645 + 70273130646.

It is an arithmetic number, because the mean of its divisors is an integer number (70273130646).

Almost surely, 2^140546261291 is an apocalyptic number.

140546261291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140546261291 is an equidigital number, since it uses as much as digits as its factorization.

140546261291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 140546261291 in words is "one hundred forty billion, five hundred forty-six million, two hundred sixty-one thousand, two hundred ninety-one".