140731562287 has 2 divisors, whose sum is σ = 140731562288. Its totient is φ = 140731562286.

The previous prime is 140731562267. The next prime is 140731562311. The reversal of 140731562287 is 782265137041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140731562287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140731562227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70365781143 + 70365781144.

It is an arithmetic number, because the mean of its divisors is an integer number (70365781144).

Almost surely, 2^140731562287 is an apocalyptic number.

140731562287 is a deficient number, since it is larger than the sum of its proper divisors (1).

140731562287 is an equidigital number, since it uses as much as digits as its factorization.

140731562287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 140731562287 in words is "one hundred forty billion, seven hundred thirty-one million, five hundred sixty-two thousand, two hundred eighty-seven".