139367743 has 2 divisors, whose sum is σ = 139367744. Its totient is φ = 139367742.

The previous prime is 139367677. The next prime is 139367747. The reversal of 139367743 is 347763931.

It is a strong prime.

It is an emirp because it is prime and its reverse (347763931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139367743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139367743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139367747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69683871 + 69683872.

It is an arithmetic number, because the mean of its divisors is an integer number (69683872).

Almost surely, 2^139367743 is an apocalyptic number.

139367743 is a deficient number, since it is larger than the sum of its proper divisors (1).

139367743 is an equidigital number, since it uses as much as digits as its factorization.

139367743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 43.

The square root of 139367743 is about 11805.4115980765. The cubic root of 139367743 is about 518.4665660640.

The spelling of 139367743 in words is "one hundred thirty-nine million, three hundred sixty-seven thousand, seven hundred forty-three".