136128 has 28 divisors (see below), whose sum is σ = 360680. Its totient is φ = 45312.

The previous prime is 136111. The next prime is 136133. The reversal of 136128 is 821631.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

136128 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 in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 546.

2¹³⁶¹²⁸ is an apocalyptic number.

It is an amenable number.

136128 is an abundant number, since it is smaller than the sum of its proper divisors (224552).

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

136128 is an equidigital number, since it uses as much as digits as its factorization.

136128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 714 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 136128 is about 368.9552818432. The cubic root of 136128 is about 51.4417602859.

Adding to 136128 its reverse (821631), we get a palindrome (957759).

The spelling of 136128 in words is "one hundred thirty-six thousand, one hundred twenty-eight".