136172 has 12 divisors (see below), whose sum is σ = 242760. Its totient is φ = 66816.

The previous prime is 136163. The next prime is 136177. The reversal of 136172 is 271631.

It is a happy number.

136172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136172.

It is not an unprimeable number, because it can be changed into a prime (136177) by changing a digit.

136172 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, 53 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (20230).

2¹³⁶¹⁷² is an apocalyptic number.

It is an amenable number.

136172 is a deficient number, since it is larger than the sum of its proper divisors (106588).

136172 is a wasteful number, since it uses less digits than its factorization.

136172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 136172 is about 369.0149048480. The cubic root of 136172 is about 51.4473021132.

The spelling of 136172 in words is "one hundred thirty-six thousand, one hundred seventy-two".