136703207 has 2 divisors, whose sum is σ = 136703208. Its totient is φ = 136703206.

The previous prime is 136703201. The next prime is 136703209. The reversal of 136703207 is 702307631.

It is a strong prime.

It is an emirp because it is prime and its reverse (702307631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136703207 - 2¹⁰ = 136702183 is a prime.

Together with 136703209, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136703207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136703201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68351603 + 68351604.

It is an arithmetic number, because the mean of its divisors is an integer number (68351604).

Almost surely, 2^136703207 is an apocalyptic number.

136703207 is a deficient number, since it is larger than the sum of its proper divisors (1).

136703207 is an equidigital number, since it uses as much as digits as its factorization.

136703207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 136703207 is about 11692.0146681400. The cubic root of 136703207 is about 515.1411395610.

The spelling of 136703207 in words is "one hundred thirty-six million, seven hundred three thousand, two hundred seven".