136307 has 4 divisors (see below), whose sum is σ = 140736. Its totient is φ = 131880.

The previous prime is 136303. The next prime is 136309. The reversal of 136307 is 703631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136307 - 2² = 136303 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136307.

It is not an unprimeable number, because it can be changed into a prime (136303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168 + ... + 2229.

It is an arithmetic number, because the mean of its divisors is an integer number (35184).

2¹³⁶³⁰⁷ is an apocalyptic number.

136307 is a deficient number, since it is larger than the sum of its proper divisors (4429).

136307 is an equidigital number, since it uses as much as digits as its factorization.

136307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 136307 is about 369.1977789749. The cubic root of 136307 is about 51.4642980004.

Adding to 136307 its reverse (703631), we get a palindrome (839938).

The spelling of 136307 in words is "one hundred thirty-six thousand, three hundred seven".