136118077 has 6 divisors (see below), whose sum is σ = 136804634. Its totient is φ = 135433200.

The previous prime is 136118069. The next prime is 136118089. The reversal of 136118077 is 770811631.

It can be written as a sum of positive squares in 3 ways, for example, as 45887076 + 90231001 = 6774^2 + 9499^2 .

It is not a de Polignac number, because 136118077 - 2³ = 136118069 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 (136118377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193827 + ... + 194527.

Almost surely, 2^136118077 is an apocalyptic number.

It is an amenable number.

136118077 is a deficient number, since it is larger than the sum of its proper divisors (686557).

136118077 is an frugal number, since it uses more digits than its factorization.

136118077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 136118077 is about 11666.9652009424. The cubic root of 136118077 is about 514.4051031282.

The spelling of 136118077 in words is "one hundred thirty-six million, one hundred eighteen thousand, seventy-seven".