139853255932567 has 2 divisors, whose sum is σ = 139853255932568. Its totient is φ = 139853255932566.

The previous prime is 139853255932541. The next prime is 139853255932699. The reversal of 139853255932567 is 765239552358931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139853255932567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139853255932567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139853255932517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69926627966283 + 69926627966284.

It is an arithmetic number, because the mean of its divisors is an integer number (69926627966284).

Almost surely, 2^{139853255932567} is an apocalyptic number.

139853255932567 is a deficient number, since it is larger than the sum of its proper divisors (1).

139853255932567 is an equidigital number, since it uses as much as digits as its factorization.

139853255932567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080000, while the sum is 73.

The spelling of 139853255932567 in words is "one hundred thirty-nine trillion, eight hundred fifty-three billion, two hundred fifty-five million, nine hundred thirty-two thousand, five hundred sixty-seven".