136826568 has 24 divisors (see below), whose sum is σ = 370572150. Its totient is φ = 45608832.

The previous prime is 136826561. The next prime is 136826587. The reversal of 136826568 is 865628631.

136826568 is a `hidden beast` number, since 1 + 3 + 6 + 82 + 6 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 28708164 = 10398^2 + 5358^2 .

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

136826568 is a modest number, since divided by 26568 gives 1368 as remainder.

It is not an unprimeable number, because it can be changed into a prime (136826561) 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 5 ways as a sum of consecutive naturals, for example, 950113 + ... + 950256.

Almost surely, 2^136826568 is an apocalyptic number.

136826568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136826568 is an abundant number, since it is smaller than the sum of its proper divisors (233745582).

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

136826568 is a wasteful number, since it uses less digits than its factorization.

136826568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900381 (or 1900374 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 136826568 is about 11697.2889166678. The cubic root of 136826568 is about 515.2960474615.

The spelling of 136826568 in words is "one hundred thirty-six million, eight hundred twenty-six thousand, five hundred sixty-eight".