136560 has 40 divisors (see below), whose sum is σ = 424080. Its totient is φ = 36352.

The previous prime is 136559. The next prime is 136573. The reversal of 136560 is 65631.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (10602).

2¹³⁶⁵⁶⁰ is an apocalyptic number.

136560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212040).

136560 is an abundant number, since it is smaller than the sum of its proper divisors (287520).

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

136560 is a wasteful number, since it uses less digits than its factorization.

136560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 136560 is about 369.5402549114. The cubic root of 136560 is about 51.4961193544.

It can be divided in two parts, 136 and 560, that added together give a palindrome (696).

The spelling of 136560 in words is "one hundred thirty-six thousand, five hundred sixty".