136609077 has 16 divisors (see below), whose sum is σ = 200757312. Its totient is φ = 81937920.

The previous prime is 136609063. The next prime is 136609087. The reversal of 136609077 is 770906631.

It is not a de Polignac number, because 136609077 - 2⁷ = 136608949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136609087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18138 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (12547332).

Almost surely, 2^136609077 is an apocalyptic number.

It is an amenable number.

136609077 is a deficient number, since it is larger than the sum of its proper divisors (64148235).

136609077 is a wasteful number, since it uses less digits than its factorization.

136609077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42788.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 136609077 is about 11687.9885780232. The cubic root of 136609077 is about 515.0228751582.

The spelling of 136609077 in words is "one hundred thirty-six million, six hundred nine thousand, seventy-seven".