136065887 has 8 divisors (see below), whose sum is σ = 139160640. Its totient is φ = 133005600.

The previous prime is 136065871. The next prime is 136065911. The reversal of 136065887 is 788560631.

136065887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136065887 - 2⁴ = 136065871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136065817) 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, 548 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (17395080).

Almost surely, 2^136065887 is an apocalyptic number.

136065887 is a deficient number, since it is larger than the sum of its proper divisors (3094753).

136065887 is a wasteful number, since it uses less digits than its factorization.

136065887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 136065887 is about 11664.7283294554. The cubic root of 136065887 is about 514.3393508175.

The spelling of 136065887 in words is "one hundred thirty-six million, sixty-five thousand, eight hundred eighty-seven".