136660065 has 16 divisors (see below), whose sum is σ = 230164800. Its totient is φ = 69049152.

The previous prime is 136660039. The next prime is 136660159. The reversal of 136660065 is 560066631.

It is not a de Polignac number, because 136660065 - 2⁵ = 136660033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239470 + ... + 240039.

It is an arithmetic number, because the mean of its divisors is an integer number (14385300).

Almost surely, 2^136660065 is an apocalyptic number.

136660065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136660065 is a deficient number, since it is larger than the sum of its proper divisors (93504735).

136660065 is a wasteful number, since it uses less digits than its factorization.

136660065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479536.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 136660065 is about 11690.1695881625. The cubic root of 136660065 is about 515.0869429360.

The spelling of 136660065 in words is "one hundred thirty-six million, six hundred sixty thousand, sixty-five".