136300289 has 4 divisors (see below), whose sum is σ = 136414980. Its totient is φ = 136185600.

The previous prime is 136300253. The next prime is 136300309. The reversal of 136300289 is 982003631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982003631 = 7 ⋅140286233.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 133633600 = 1633^2 + 11560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136300289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136300589) 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, 55544 + ... + 57945.

It is an arithmetic number, because the mean of its divisors is an integer number (34103745).

Almost surely, 2^136300289 is an apocalyptic number.

It is an amenable number.

136300289 is a deficient number, since it is larger than the sum of its proper divisors (114691).

136300289 is a wasteful number, since it uses less digits than its factorization.

136300289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114690.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 136300289 is about 11674.7714752795. The cubic root of 136300289 is about 514.6345338110.

The spelling of 136300289 in words is "one hundred thirty-six million, three hundred thousand, two hundred eighty-nine".