4131656 has 8 divisors (see below), whose sum is σ = 7746870. Its totient is φ = 2065824.

The previous prime is 4131653. The next prime is 4131661. The reversal of 4131656 is 6561314.

4131656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 1069156 = 1750^2 + 1034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4131653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258221 + ... + 258236.

Almost surely, 2^4131656 is an apocalyptic number.

It is an amenable number.

4131656 is a deficient number, since it is larger than the sum of its proper divisors (3615214).

4131656 is a wasteful number, since it uses less digits than its factorization.

4131656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516463 (or 516459 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 4131656 is about 2032.6475346208. The cubic root of 4131656 is about 160.4629301396.

The spelling of 4131656 in words is "four million, one hundred thirty-one thousand, six hundred fifty-six".