136549065 has 32 divisors (see below), whose sum is σ = 224985600. Its totient is φ = 70676480.

The previous prime is 136549043. The next prime is 136549099. The reversal of 136549065 is 560945631.

It is not a de Polignac number, because 136549065 - 2⁵ = 136549033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146521 + ... + 147449.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^136549065 is an apocalyptic number.

136549065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136549065 is a deficient number, since it is larger than the sum of its proper divisors (88436535).

136549065 is a wasteful number, since it uses less digits than its factorization.

136549065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 136549065 is about 11685.4210450458. The cubic root of 136549065 is about 514.9474480577.

The spelling of 136549065 in words is "one hundred thirty-six million, five hundred forty-nine thousand, sixty-five".