136115018 has 8 divisors (see below), whose sum is σ = 219878148. Its totient is φ = 62822304.

The previous prime is 136115011. The next prime is 136115029. The reversal of 136115018 is 810511631.

It can be written as a sum of positive squares in 2 ways, for example, as 133795489 + 2319529 = 11567^2 + 1523^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5235193 = 136115018 / (1 + 3 + 6 + 1 + 1 + 5 + 0 + 1 + 8).

It is not an unprimeable number, because it can be changed into a prime (136115011) 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 in 3 ways as a sum of consecutive naturals, for example, 2617571 + ... + 2617622.

Almost surely, 2^136115018 is an apocalyptic number.

136115018 is a deficient number, since it is larger than the sum of its proper divisors (83763130).

136115018 is a wasteful number, since it uses less digits than its factorization.

136115018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235208.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 136115018 is about 11666.8341035604. The cubic root of 136115018 is about 514.4012496674.

Adding to 136115018 its reverse (810511631), we get a palindrome (946626649).

The spelling of 136115018 in words is "one hundred thirty-six million, one hundred fifteen thousand, eighteen".