136766555 has 16 divisors (see below), whose sum is σ = 165939840. Its totient is φ = 108208128.

The previous prime is 136766549. The next prime is 136766557. The reversal of 136766555 is 555667631.

It is a cyclic number.

It is not a de Polignac number, because 136766555 - 2⁸ = 136766299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136766557) 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 15 ways as a sum of consecutive naturals, for example, 230339 + ... + 230931.

It is an arithmetic number, because the mean of its divisors is an integer number (10371240).

Almost surely, 2^136766555 is an apocalyptic number.

136766555 is a deficient number, since it is larger than the sum of its proper divisors (29173285).

136766555 is a wasteful number, since it uses less digits than its factorization.

136766555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 567000, while the sum is 44.

The square root of 136766555 is about 11694.7233827911. The cubic root of 136766555 is about 515.2206990734.

The spelling of 136766555 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, five hundred fifty-five".