136605265207 has 2 divisors, whose sum is σ = 136605265208. Its totient is φ = 136605265206.

The previous prime is 136605265187. The next prime is 136605265231. The reversal of 136605265207 is 702562506631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136605265207 - 2¹¹ = 136605263159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136605265507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68302632603 + 68302632604.

It is an arithmetic number, because the mean of its divisors is an integer number (68302632604).

Almost surely, 2^136605265207 is an apocalyptic number.

136605265207 is a deficient number, since it is larger than the sum of its proper divisors (1).

136605265207 is an equidigital number, since it uses as much as digits as its factorization.

136605265207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 136605265207 in words is "one hundred thirty-six billion, six hundred five million, two hundred sixty-five thousand, two hundred seven".