4131534 has 32 divisors (see below), whose sum is σ = 9175680. Its totient is φ = 1229600.

The previous prime is 4131487. The next prime is 4131539. The reversal of 4131534 is 4351314.

It is a self number, because there is not a number n which added to its sum of digits gives 4131534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131539) 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 15 ways as a sum of consecutive naturals, for example, 3364 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (286740).

Almost surely, 2^4131534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4587840).

4131534 is an abundant number, since it is smaller than the sum of its proper divisors (5044146).

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

4131534 is a wasteful number, since it uses less digits than its factorization.

4131534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 720, while the sum is 21.

The square root of 4131534 is about 2032.6175242775. The cubic root of 4131534 is about 160.4613507349.

Adding to 4131534 its reverse (4351314), we get a palindrome (8482848).

The spelling of 4131534 in words is "four million, one hundred thirty-one thousand, five hundred thirty-four".