136853 has 4 divisors (see below), whose sum is σ = 138240. Its totient is φ = 135468.

The previous prime is 136849. The next prime is 136859. The reversal of 136853 is 358631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136853 - 2² = 136849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2¹³⁶⁸⁵³ is an apocalyptic number.

It is an amenable number.

136853 is a deficient number, since it is larger than the sum of its proper divisors (1387).

136853 is a wasteful number, since it uses less digits than its factorization.

136853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 2160, while the sum is 26.

The square root of 136853 is about 369.9364810342. The cubic root of 136853 is about 51.5329226759.

It can be divided in two parts, 136 and 853, that added together give a palindrome (989).

The spelling of 136853 in words is "one hundred thirty-six thousand, eight hundred fifty-three".