136798207 has 16 divisors (see below), whose sum is σ = 169261120. Its totient is φ = 107661312.

The previous prime is 136798187. The next prime is 136798231. The reversal of 136798207 is 702897631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136798207 - 2¹¹ = 136796159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136798297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13669 + ... + 21457.

It is an arithmetic number, because the mean of its divisors is an integer number (10578820).

Almost surely, 2^136798207 is an apocalyptic number.

136798207 is a deficient number, since it is larger than the sum of its proper divisors (32462913).

136798207 is a wasteful number, since it uses less digits than its factorization.

136798207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 136798207 is about 11696.0765643869. The cubic root of 136798207 is about 515.2604419957.

The spelling of 136798207 in words is "one hundred thirty-six million, seven hundred ninety-eight thousand, two hundred seven".