140439061463 has 2 divisors, whose sum is σ = 140439061464. Its totient is φ = 140439061462.

The previous prime is 140439061447. The next prime is 140439061549. The reversal of 140439061463 is 364160934041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140439061463 - 2⁴ = 140439061447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140439061463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140439561463) 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, 70219530731 + 70219530732.

It is an arithmetic number, because the mean of its divisors is an integer number (70219530732).

Almost surely, 2^140439061463 is an apocalyptic number.

140439061463 is a deficient number, since it is larger than the sum of its proper divisors (1).

140439061463 is an equidigital number, since it uses as much as digits as its factorization.

140439061463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

Adding to 140439061463 its sum of digits (41), we get a square (140439061504 = 374752²).

The spelling of 140439061463 in words is "one hundred forty billion, four hundred thirty-nine million, sixty-one thousand, four hundred sixty-three".