136547677 has 4 divisors (see below), whose sum is σ = 156054496. Its totient is φ = 117040860.

The previous prime is 136547659. The next prime is 136547681. The reversal of 136547677 is 776745631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136547677 - 2²⁷ = 2329949 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 (136547617) 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, 9753399 + ... + 9753412.

It is an arithmetic number, because the mean of its divisors is an integer number (39013624).

Almost surely, 2^136547677 is an apocalyptic number.

It is an amenable number.

136547677 is a deficient number, since it is larger than the sum of its proper divisors (19506819).

136547677 is an equidigital number, since it uses as much as digits as its factorization.

136547677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506818.

The product of its digits is 740880, while the sum is 46.

The square root of 136547677 is about 11685.3616546515. The cubic root of 136547677 is about 514.9457032649.

The spelling of 136547677 in words is "one hundred thirty-six million, five hundred forty-seven thousand, six hundred seventy-seven".