136213 has 16 divisors (see below), whose sum is σ = 178560. Its totient is φ = 100800.

The previous prime is 136207. The next prime is 136217. The reversal of 136213 is 312631.

It is not a de Polignac number, because 136213 - 2⁹ = 135701 is a prime.

It is a Duffinian number.

Its product of digits (108) is a multiple of the sum of its prime divisors (108).

136213 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (11160).

136213 is a Friedman number, since it can be written as 62*13^3-1, using all its digits and the basic arithmetic operations.

2¹³⁶²¹³ is an apocalyptic number.

It is an amenable number.

136213 is a deficient number, since it is larger than the sum of its proper divisors (42347).

136213 is a wasteful number, since it uses less digits than its factorization.

136213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108.

The product of its digits is 108, while the sum is 16.

The square root of 136213 is about 369.0704539786. The cubic root of 136213 is about 51.4524650144.

Adding to 136213 its reverse (312631), we get a palindrome (448844).

It can be divided in two parts, 13 and 6213, that added together give a palindrome (6226).

The spelling of 136213 in words is "one hundred thirty-six thousand, two hundred thirteen".