136860679 has 2 divisors, whose sum is σ = 136860680. Its totient is φ = 136860678.

The previous prime is 136860673. The next prime is 136860697. The reversal of 136860679 is 976068631.

Together with next prime (136860697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136860679 - 2⁹ = 136860167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136860673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68430339 + 68430340.

It is an arithmetic number, because the mean of its divisors is an integer number (68430340).

Almost surely, 2^136860679 is an apocalyptic number.

136860679 is a deficient number, since it is larger than the sum of its proper divisors (1).

136860679 is an equidigital number, since it uses as much as digits as its factorization.

136860679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 136860679 is about 11698.7468987067. The cubic root of 136860679 is about 515.3388651765.

It can be divided in two parts, 1368606 and 79, that added together give a triangular number (1368685 = T₁₆₅₄).

The spelling of 136860679 in words is "one hundred thirty-six million, eight hundred sixty thousand, six hundred seventy-nine".