136758168 has 24 divisors (see below), whose sum is σ = 370386900. Its totient is φ = 45586032.

The previous prime is 136758131. The next prime is 136758169. The reversal of 136758168 is 861857631.

136758168 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 581 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136758169) 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 5 ways as a sum of consecutive naturals, for example, 949638 + ... + 949781.

Almost surely, 2^136758168 is an apocalyptic number.

136758168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136758168 is an abundant number, since it is smaller than the sum of its proper divisors (233628732).

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

136758168 is a wasteful number, since it uses less digits than its factorization.

136758168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899431 (or 1899424 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 136758168 is about 11694.3647967728. The cubic root of 136758168 is about 515.2101671508.

The spelling of 136758168 in words is "one hundred thirty-six million, seven hundred fifty-eight thousand, one hundred sixty-eight".