136269885 has 16 divisors (see below), whose sum is σ = 218989440. Its totient is φ = 72358080.

The previous prime is 136269883. The next prime is 136269899. The reversal of 136269885 is 588962631.

It is a happy number.

It is not a de Polignac number, because 136269885 - 2¹ = 136269883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136269883) 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 15 ways as a sum of consecutive naturals, for example, 16401 + ... + 23270.

It is an arithmetic number, because the mean of its divisors is an integer number (13686840).

Almost surely, 2^136269885 is an apocalyptic number.

136269885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136269885 is a deficient number, since it is larger than the sum of its proper divisors (82719555).

136269885 is a wasteful number, since it uses less digits than its factorization.

136269885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39908.

The product of its digits is 622080, while the sum is 48.

The square root of 136269885 is about 11673.4692786678. The cubic root of 136269885 is about 514.5962650930.

The spelling of 136269885 in words is "one hundred thirty-six million, two hundred sixty-nine thousand, eight hundred eighty-five".