136655889 has 16 divisors (see below), whose sum is σ = 186363072. Its totient is φ = 89039808.

The previous prime is 136655879. The next prime is 136655941. The reversal of 136655889 is 988556631.

It is not a de Polignac number, because 136655889 - 2⁴ = 136655873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136655879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43479 + ... + 46515.

It is an arithmetic number, because the mean of its divisors is an integer number (11647692).

Almost surely, 2^136655889 is an apocalyptic number.

It is an amenable number.

136655889 is a deficient number, since it is larger than the sum of its proper divisors (49707183).

136655889 is a wasteful number, since it uses less digits than its factorization.

136655889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its digits is 1555200, while the sum is 51.

The square root of 136655889 is about 11689.9909751890. The cubic root of 136655889 is about 515.0816962801.

The spelling of 136655889 in words is "one hundred thirty-six million, six hundred fifty-five thousand, eight hundred eighty-nine".