139047367 has 2 divisors, whose sum is σ = 139047368. Its totient is φ = 139047366.

The previous prime is 139047343. The next prime is 139047371. The reversal of 139047367 is 763740931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139047367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139047067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69523683 + 69523684.

It is an arithmetic number, because the mean of its divisors is an integer number (69523684).

Almost surely, 2^139047367 is an apocalyptic number.

139047367 is a deficient number, since it is larger than the sum of its proper divisors (1).

139047367 is an equidigital number, since it uses as much as digits as its factorization.

139047367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 139047367 is about 11791.8347596971. The cubic root of 139047367 is about 518.0689807909.

The spelling of 139047367 in words is "one hundred thirty-nine million, forty-seven thousand, three hundred sixty-seven".