4236138 has 40 divisors (see below), whose sum is σ = 9641280. Its totient is φ = 1389960.

The previous prime is 4236137. The next prime is 4236139. The reversal of 4236138 is 8316324.

It is a happy number.

4236138 is a `hidden beast` number, since 42 + 3 + 613 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (4236137) and next prime (4236139).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4236137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12633 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (241032).

Almost surely, 2^4236138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4236138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4820640).

4236138 is an abundant number, since it is smaller than the sum of its proper divisors (5405142).

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

4236138 is a wasteful number, since it uses less digits than its factorization.

4236138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4236138 is about 2058.1880380568. The cubic root of 4236138 is about 161.8042904106.

It can be divided in two parts, 423 and 6138, that added together give a 8-th power (6561 = 3⁸).

The spelling of 4236138 in words is "four million, two hundred thirty-six thousand, one hundred thirty-eight".