136776858 has 32 divisors (see below), whose sum is σ = 288576000. Its totient is φ = 43099056.

The previous prime is 136776853. The next prime is 136776859. The reversal of 136776858 is 858677631.

136776858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136776858.

It is not an unprimeable number, because it can be changed into a prime (136776853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67285 + ... + 69287.

It is an arithmetic number, because the mean of its divisors is an integer number (9018000).

Almost surely, 2^136776858 is an apocalyptic number.

136776858 is an abundant number, since it is smaller than the sum of its proper divisors (151799142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136776858 is a wasteful number, since it uses less digits than its factorization.

136776858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626.

The product of its digits is 1693440, while the sum is 51.

The square root of 136776858 is about 11695.1638723021. The cubic root of 136776858 is about 515.2336364117.

The spelling of 136776858 in words is "one hundred thirty-six million, seven hundred seventy-six thousand, eight hundred fifty-eight".