136818077 has 8 divisors (see below), whose sum is σ = 149381280. Its totient is φ = 124275760.

The previous prime is 136818049. The next prime is 136818083. The reversal of 136818077 is 770818631.

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 136818077 - 2⁶ = 136818013 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 (136818037) 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, 10574 + ... + 19632.

It is an arithmetic number, because the mean of its divisors is an integer number (18672660).

Almost surely, 2^136818077 is an apocalyptic number.

It is an amenable number.

136818077 is a deficient number, since it is larger than the sum of its proper divisors (12563203).

136818077 is a wasteful number, since it uses less digits than its factorization.

136818077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 136818077 is about 11696.9259636881. The cubic root of 136818077 is about 515.2853880569.

The spelling of 136818077 in words is "one hundred thirty-six million, eight hundred eighteen thousand, seventy-seven".