136851307 has 2 divisors, whose sum is σ = 136851308. Its totient is φ = 136851306.

The previous prime is 136851301. The next prime is 136851347. The reversal of 136851307 is 703158631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136851307 - 2⁷ = 136851179 is a prime.

It is not a weakly prime, because it can be changed into another prime (136851301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68425653 + 68425654.

It is an arithmetic number, because the mean of its divisors is an integer number (68425654).

Almost surely, 2^136851307 is an apocalyptic number.

136851307 is a deficient number, since it is larger than the sum of its proper divisors (1).

136851307 is an equidigital number, since it uses as much as digits as its factorization.

136851307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 136851307 is about 11698.3463361280. The cubic root of 136851307 is about 515.3271017148.

The spelling of 136851307 in words is "one hundred thirty-six million, eight hundred fifty-one thousand, three hundred seven".