139582207 has 2 divisors, whose sum is σ = 139582208. Its totient is φ = 139582206.

The previous prime is 139582187. The next prime is 139582229. The reversal of 139582207 is 702285931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139582207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139582277) 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, 69791103 + 69791104.

It is an arithmetic number, because the mean of its divisors is an integer number (69791104).

Almost surely, 2^139582207 is an apocalyptic number.

139582207 is a deficient number, since it is larger than the sum of its proper divisors (1).

139582207 is an equidigital number, since it uses as much as digits as its factorization.

139582207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 139582207 is about 11814.4913982786. The cubic root of 139582207 is about 518.7323746467.

The spelling of 139582207 in words is "one hundred thirty-nine million, five hundred eighty-two thousand, two hundred seven".