69136 has 20 divisors (see below), whose sum is σ = 139500. Its totient is φ = 33152.

The previous prime is 69127. The next prime is 69143. The reversal of 69136 is 63196.

It can be written as a sum of positive squares in 2 ways, for example, as 20736 + 48400 = 144^2 + 220^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (6975).

2⁶⁹¹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69750).

69136 is an abundant number, since it is smaller than the sum of its proper divisors (70364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69136 is a wasteful number, since it uses less digits than its factorization.

69136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 69136 is about 262.9372548727. The cubic root of 69136 is about 41.0425890981.

It can be divided in two parts, 691 and 36, that added together give a palindrome (727).

The spelling of 69136 in words is "sixty-nine thousand, one hundred thirty-six".