136534885 has 8 divisors (see below), whose sum is σ = 165038616. Its totient is φ = 108430080.

The previous prime is 136534861. The next prime is 136534901. The reversal of 136534885 is 588435631.

It can be written as a sum of positive squares in 4 ways, for example, as 53670276 + 82864609 = 7326^2 + 9103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136534885 - 2⁹ = 136534373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 98976 + ... + 100345.

It is an arithmetic number, because the mean of its divisors is an integer number (20629827).

Almost surely, 2^136534885 is an apocalyptic number.

It is an amenable number.

136534885 is a deficient number, since it is larger than the sum of its proper divisors (28503731).

136534885 is a wasteful number, since it uses less digits than its factorization.

136534885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199463.

The product of its digits is 345600, while the sum is 43.

The square root of 136534885 is about 11684.8142903514. The cubic root of 136534885 is about 514.9296224564.

The spelling of 136534885 in words is "one hundred thirty-six million, five hundred thirty-four thousand, eight hundred eighty-five".