136204065 has 32 divisors (see below), whose sum is σ = 254889600. Its totient is φ = 68817600.

The previous prime is 136204063. The next prime is 136204069. The reversal of 136204065 is 560402631.

It is not a de Polignac number, because 136204065 - 2¹ = 136204063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136204063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23986 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (7965300).

Almost surely, 2^136204065 is an apocalyptic number.

136204065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136204065 is a deficient number, since it is larger than the sum of its proper divisors (118685535).

136204065 is a wasteful number, since it uses less digits than its factorization.

136204065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53134 (or 53128 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136204065 is about 11670.6497248439. The cubic root of 136204065 is about 514.5133996799.

Adding to 136204065 its reverse (560402631), we get a palindrome (696606696).

The spelling of 136204065 in words is "one hundred thirty-six million, two hundred four thousand, sixty-five".