136860697 has 2 divisors, whose sum is σ = 136860698. Its totient is φ = 136860696.

The previous prime is 136860679. The next prime is 136860709. The reversal of 136860697 is 796068631.

Together with previous prime (136860679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136048896 + 811801 = 11664^2 + 901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136860697 is a prime.

It is not a weakly prime, because it can be changed into another prime (136860497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68430348 + 68430349.

It is an arithmetic number, because the mean of its divisors is an integer number (68430349).

Almost surely, 2^136860697 is an apocalyptic number.

It is an amenable number.

136860697 is a deficient number, since it is larger than the sum of its proper divisors (1).

136860697 is an equidigital number, since it uses as much as digits as its factorization.

136860697 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 136860697 is about 11698.7476680199. The cubic root of 136860697 is about 515.3388877691.

The spelling of 136860697 in words is "one hundred thirty-six million, eight hundred sixty thousand, six hundred ninety-seven".