136113289 has 8 divisors (see below), whose sum is σ = 147023240. Its totient is φ = 125266176.

The previous prime is 136113259. The next prime is 136113293. The reversal of 136113289 is 982311631.

It can be written as a sum of positive squares in 4 ways, for example, as 1669264 + 134444025 = 1292^2 + 11595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136113289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136113209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11154 + ... + 19915.

It is an arithmetic number, because the mean of its divisors is an integer number (18377905).

Almost surely, 2^136113289 is an apocalyptic number.

It is an amenable number.

136113289 is a deficient number, since it is larger than the sum of its proper divisors (10909951).

136113289 is a wasteful number, since it uses less digits than its factorization.

136113289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31419.

The product of its digits is 7776, while the sum is 34.

The square root of 136113289 is about 11666.7600043885. The cubic root of 136113289 is about 514.3990715989.

It can be divided in two parts, 13611 and 3289, that added together give a square (16900 = 130²).

The spelling of 136113289 in words is "one hundred thirty-six million, one hundred thirteen thousand, two hundred eighty-nine".