2134656 has 96 divisors (see below), whose sum is σ = 6563700. Its totient is φ = 663552.

The previous prime is 2134637. The next prime is 2134697. The reversal of 2134656 is 6564312.

2134656 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 656 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2005056 + 129600 = 1416^2 + 360^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19530 + ... + 19638.

2^2134656 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 2134656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281850).

2134656 is an abundant number, since it is smaller than the sum of its proper divisors (4429044).

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

2134656 is a wasteful number, since it uses less digits than its factorization.

2134656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 131 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2134656 is about 1461.0462005015. The cubic root of 2134656 is about 128.7585170474.

Adding to 2134656 its reverse (6564312), we get a palindrome (8698968).

The spelling of 2134656 in words is "two million, one hundred thirty-four thousand, six hundred fifty-six".