136618307 has 16 divisors (see below), whose sum is σ = 166436352. Its totient is φ = 109468800.

The previous prime is 136618297. The next prime is 136618343. The reversal of 136618307 is 703816631.

It is not a de Polignac number, because 136618307 - 2⁴ = 136618291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136618397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14168 + ... + 21770.

It is an arithmetic number, because the mean of its divisors is an integer number (10402272).

Almost surely, 2^136618307 is an apocalyptic number.

136618307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

136618307 is a deficient number, since it is larger than the sum of its proper divisors (29818045).

136618307 is a wasteful number, since it uses less digits than its factorization.

136618307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 136618307 is about 11688.3834211579. The cubic root of 136618307 is about 515.0344740802.

The spelling of 136618307 in words is "one hundred thirty-six million, six hundred eighteen thousand, three hundred seven".