82600139 has 2 divisors, whose sum is σ = 82600140. Its totient is φ = 82600138.

The previous prime is 82600081. The next prime is 82600159. The reversal of 82600139 is 93100628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82600139 - 2⁸ = 82599883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82600159) 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, 41300069 + 41300070.

It is an arithmetic number, because the mean of its divisors is an integer number (41300070).

Almost surely, 2^82600139 is an apocalyptic number.

82600139 is a deficient number, since it is larger than the sum of its proper divisors (1).

82600139 is an equidigital number, since it uses as much as digits as its factorization.

82600139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 82600139 is about 9088.4618610632. The cubic root of 82600139 is about 435.5054484905.

The spelling of 82600139 in words is "eighty-two million, six hundred thousand, one hundred thirty-nine".