210136 has 8 divisors (see below), whose sum is σ = 394020. Its totient is φ = 105064.

The previous prime is 210131. The next prime is 210139. The reversal of 210136 is 631012.

210136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131) by changing a digit.

210136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126 + ... + 13141.

2²¹⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

210136 is a deficient number, since it is larger than the sum of its proper divisors (183884).

210136 is a wasteful number, since it uses less digits than its factorization.

210136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26273 (or 26269 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 210136 is about 458.4059336440. The cubic root of 210136 is about 59.4520480823.

Adding to 210136 its reverse (631012), we get a palindrome (841148).

The spelling of 210136 in words is "two hundred ten thousand, one hundred thirty-six".