2542136 has 16 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 1243840.

The previous prime is 2542109. The next prime is 2542139. The reversal of 2542136 is 6312452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

2^2542136 is an apocalyptic number.

It is an amenable number.

2542136 is a deficient number, since it is larger than the sum of its proper divisors (2326504).

2542136 is a wasteful number, since it uses less digits than its factorization.

2542136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6810 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2542136 is about 1594.4077270259. The cubic root of 2542136 is about 136.4791346854.

Adding to 2542136 its reverse (6312452), we get a palindrome (8854588).

The spelling of 2542136 in words is "two million, five hundred forty-two thousand, one hundred thirty-six".