136516091 has 8 divisors (see below), whose sum is σ = 137976480. Its totient is φ = 135060352.

The previous prime is 136516073. The next prime is 136516111. The reversal of 136516091 is 190615631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136516091 - 2⁶ = 136516027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136510091) 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 7 ways as a sum of consecutive naturals, for example, 110465 + ... + 111693.

It is an arithmetic number, because the mean of its divisors is an integer number (17247060).

Almost surely, 2^136516091 is an apocalyptic number.

136516091 is a deficient number, since it is larger than the sum of its proper divisors (1460389).

136516091 is a wasteful number, since it uses less digits than its factorization.

136516091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 136516091 is about 11684.0100564832. The cubic root of 136516091 is about 514.9059947185.

The spelling of 136516091 in words is "one hundred thirty-six million, five hundred sixteen thousand, ninety-one".