140242124647 has 2 divisors, whose sum is σ = 140242124648. Its totient is φ = 140242124646.

The previous prime is 140242124639. The next prime is 140242124719. The reversal of 140242124647 is 746421242041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140242124647 - 2³ = 140242124639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140242121647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70121062323 + 70121062324.

It is an arithmetic number, because the mean of its divisors is an integer number (70121062324).

Almost surely, 2^140242124647 is an apocalyptic number.

140242124647 is a deficient number, since it is larger than the sum of its proper divisors (1).

140242124647 is an equidigital number, since it uses as much as digits as its factorization.

140242124647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 37.

Adding to 140242124647 its reverse (746421242041), we get a palindrome (886663366688).

The spelling of 140242124647 in words is "one hundred forty billion, two hundred forty-two million, one hundred twenty-four thousand, six hundred forty-seven".