2134542 has 16 divisors (see below), whose sum is σ = 4373712. Its totient is φ = 694080.

The previous prime is 2134529. The next prime is 2134549. The reversal of 2134542 is 2454312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 4584.

It is an arithmetic number, because the mean of its divisors is an integer number (273357).

2^2134542 is an apocalyptic number.

2134542 is an abundant number, since it is smaller than the sum of its proper divisors (2239170).

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

2134542 is a wasteful number, since it uses less digits than its factorization.

2134542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its digits is 960, while the sum is 21.

The square root of 2134542 is about 1461.0071868406. The cubic root of 2134542 is about 128.7562249166.

Subtracting from 2134542 its sum of digits (21), we obtain a square (2134521 = 1461²).

Adding to 2134542 its reverse (2454312), we get a palindrome (4588854).

The spelling of 2134542 in words is "two million, one hundred thirty-four thousand, five hundred forty-two".