2134530 has 48 divisors (see below), whose sum is σ = 5708664. Its totient is φ = 552960.

The previous prime is 2134529. The next prime is 2134549. The reversal of 2134530 is 354312.

2134530 is a `hidden beast` number, since 2 + 134 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2134521 + 9 = 1461^2 + 3^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 3010 + ... + 3650.

2^2134530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854332).

2134530 is an abundant number, since it is smaller than the sum of its proper divisors (3574134).

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

2134530 is a wasteful number, since it uses less digits than its factorization.

2134530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2134530 is about 1461.0030800789. The cubic root of 2134530 is about 128.7559836349.

Adding to 2134530 its reverse (354312), we get a palindrome (2488842).

The spelling of 2134530 in words is "two million, one hundred thirty-four thousand, five hundred thirty".