565136 has 60 divisors (see below), whose sum is σ = 1361520. Its totient is φ = 224640.

The previous prime is 565127. The next prime is 565163. The reversal of 565136 is 631565.

It is a Harshad number since it is a multiple of its sum of digits (26).

Its product of digits (2700) is a multiple of the sum of its prime divisors (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29735 + ... + 29753.

It is an arithmetic number, because the mean of its divisors is an integer number (22692).

2⁵⁶⁵¹³⁶ 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 565136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680760).

565136 is an abundant number, since it is smaller than the sum of its proper divisors (796384).

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

565136 is a wasteful number, since it uses less digits than its factorization.

565136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 45 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 565136 is about 751.7552793296. The cubic root of 565136 is about 82.6769266951.

565136 divided by its sum of digits (26) gives a triangular number (21736 = T₂₀₈).

The spelling of 565136 in words is "five hundred sixty-five thousand, one hundred thirty-six".