4168136 has 48 divisors (see below), whose sum is σ = 9411840. Its totient is φ = 1728720.

The previous prime is 4168133. The next prime is 4168159. The reversal of 4168136 is 6318614.

Its product of digits (3456) is a multiple of the sum of its prime factors (72).

It is a junction number, because it is equal to n+sod(n) for n = 4168099 and 4168108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134441 + ... + 134471.

It is an arithmetic number, because the mean of its divisors is an integer number (196080).

Almost surely, 2^4168136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4168136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4705920).

4168136 is an abundant number, since it is smaller than the sum of its proper divisors (5243704).

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

4168136 is an frugal number, since it uses more digits than its factorization.

4168136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 40 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 4168136 is about 2041.6013322880. The cubic root of 4168136 is about 160.9338102211.

The spelling of 4168136 in words is "four million, one hundred sixty-eight thousand, one hundred thirty-six".