4140136 has 96 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1457280.

The previous prime is 4140133. The next prime is 4140173. The reversal of 4140136 is 6310414.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88065 + ... + 88111.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

Almost surely, 2^4140136 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 4140136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

4140136 is an abundant number, since it is smaller than the sum of its proper divisors (6584984).

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

4140136 is a wasteful number, since it uses less digits than its factorization.

4140136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4140136 is about 2034.7324148398. The cubic root of 4140136 is about 160.5726356079.

The spelling of 4140136 in words is "four million, one hundred forty thousand, one hundred thirty-six".