136641105 has 24 divisors (see below), whose sum is σ = 238086888. Its totient is φ = 72493056.

The previous prime is 136641083. The next prime is 136641119. The reversal of 136641105 is 501146631.

136641105 is a `hidden beast` number, since 1 + 3 + 6 + 641 + 10 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 136399041 = 492^2 + 11679^2 .

It is not a de Polignac number, because 136641105 - 2⁶ = 136641041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819 + ... + 16551.

It is an arithmetic number, because the mean of its divisors is an integer number (9920287).

Almost surely, 2^136641105 is an apocalyptic number.

136641105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136641105 is a deficient number, since it is larger than the sum of its proper divisors (101445783).

136641105 is a wasteful number, since it uses less digits than its factorization.

136641105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937 (or 15934 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 136641105 is about 11689.3586222684. The cubic root of 136641105 is about 515.0631210533.

Adding to 136641105 its reverse (501146631), we get a palindrome (637787736).

The spelling of 136641105 in words is "one hundred thirty-six million, six hundred forty-one thousand, one hundred five".