136505113 has 8 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 133026720.

The previous prime is 136505081. The next prime is 136505119. The reversal of 136505113 is 311505631.

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 136505113 - 2⁵ = 136505081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136505119) 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, 59848 + ... + 62086.

It is an arithmetic number, because the mean of its divisors is an integer number (17498880).

Almost surely, 2^136505113 is an apocalyptic number.

It is an amenable number.

136505113 is a deficient number, since it is larger than the sum of its proper divisors (3485927).

136505113 is a wasteful number, since it uses less digits than its factorization.

136505113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 136505113 is about 11683.5402596987. The cubic root of 136505113 is about 514.8921922198.

The spelling of 136505113 in words is "one hundred thirty-six million, five hundred five thousand, one hundred thirteen".