136677566 has 8 divisors (see below), whose sum is σ = 208884744. Its totient is φ = 67049320.

The previous prime is 136677553. The next prime is 136677581. The reversal of 136677566 is 665776631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136677566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644600 + ... + 644811.

It is an arithmetic number, because the mean of its divisors is an integer number (26110593).

Almost surely, 2^136677566 is an apocalyptic number.

136677566 is a deficient number, since it is larger than the sum of its proper divisors (72207178).

136677566 is a wasteful number, since it uses less digits than its factorization.

136677566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289466.

The product of its digits is 952560, while the sum is 47.

The square root of 136677566 is about 11690.9180991058. The cubic root of 136677566 is about 515.1089297342.

The spelling of 136677566 in words is "one hundred thirty-six million, six hundred seventy-seven thousand, five hundred sixty-six".