136870207 has 2 divisors, whose sum is σ = 136870208. Its totient is φ = 136870206.

The previous prime is 136870199. The next prime is 136870219. The reversal of 136870207 is 702078631.

136870207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136870207 - 2³ = 136870199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136870267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68435103 + 68435104.

It is an arithmetic number, because the mean of its divisors is an integer number (68435104).

Almost surely, 2^136870207 is an apocalyptic number.

136870207 is a deficient number, since it is larger than the sum of its proper divisors (1).

136870207 is an equidigital number, since it uses as much as digits as its factorization.

136870207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 136870207 is about 11699.1541147213. The cubic root of 136870207 is about 515.3508238945.

The spelling of 136870207 in words is "one hundred thirty-six million, eight hundred seventy thousand, two hundred seven".