136067677 has 4 divisors (see below), whose sum is σ = 144071676. Its totient is φ = 128063680.

The previous prime is 136067671. The next prime is 136067699. The reversal of 136067677 is 776760631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776760631 = 227 ⋅3421853.

It can be written as a sum of positive squares in 2 ways, for example, as 51538041 + 84529636 = 7179^2 + 9194^2 .

It is a cyclic number.

It is not a de Polignac number, because 136067677 - 2³ = 136067669 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 (136067671) 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 3 ways as a sum of consecutive naturals, for example, 4001974 + ... + 4002007.

It is an arithmetic number, because the mean of its divisors is an integer number (36017919).

Almost surely, 2^136067677 is an apocalyptic number.

136067677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136067677 is a deficient number, since it is larger than the sum of its proper divisors (8003999).

136067677 is an equidigital number, since it uses as much as digits as its factorization.

136067677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003998.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 136067677 is about 11664.8050562365. The cubic root of 136067677 is about 514.3416062528.

The spelling of 136067677 in words is "one hundred thirty-six million, sixty-seven thousand, six hundred seventy-seven".