136889134 has 16 divisors (see below), whose sum is σ = 217776816. Its totient is φ = 64310400.

The previous prime is 136889113. The next prime is 136889143. The reversal of 136889134 is 431988631.

136889134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19429 + ... + 25519.

It is an arithmetic number, because the mean of its divisors is an integer number (13611051).

Almost surely, 2^136889134 is an apocalyptic number.

136889134 is a deficient number, since it is larger than the sum of its proper divisors (80887682).

136889134 is a wasteful number, since it uses less digits than its factorization.

136889134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771.

The product of its digits is 124416, while the sum is 43.

The square root of 136889134 is about 11699.9629913945. The cubic root of 136889134 is about 515.3745777746.

It can be divided in two parts, 13688 and 9134, that added together give a palindrome (22822).

The spelling of 136889134 in words is "one hundred thirty-six million, eight hundred eighty-nine thousand, one hundred thirty-four".