136198183405 has 16 divisors (see below), whose sum is σ = 166135460400. Its totient is φ = 107160514560.

The previous prime is 136198183343. The next prime is 136198183423. The reversal of 136198183405 is 504381891631.

It can be written as a sum of positive squares in 8 ways, for example, as 46309748809 + 89888434596 = 215197^2 + 299814^2 .

It is not a de Polignac number, because 136198183405 - 2⁹ = 136198182893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631891 + ... + 3669199.

It is an arithmetic number, because the mean of its divisors is an integer number (10383466275).

Almost surely, 2^136198183405 is an apocalyptic number.

It is an amenable number.

136198183405 is a deficient number, since it is larger than the sum of its proper divisors (29937276995).

136198183405 is a wasteful number, since it uses less digits than its factorization.

136198183405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49344.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 136198183405 in words is "one hundred thirty-six billion, one hundred ninety-eight million, one hundred eighty-three thousand, four hundred five".