2136542 has 4 divisors (see below), whose sum is σ = 3204816. Its totient is φ = 1068270.

The previous prime is 2136527. The next prime is 2136553. The reversal of 2136542 is 2456312.

2136542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 534134 + ... + 534137.

It is an arithmetic number, because the mean of its divisors is an integer number (801204).

2^2136542 is an apocalyptic number.

2136542 is a deficient number, since it is larger than the sum of its proper divisors (1068274).

2136542 is a wasteful number, since it uses less digits than its factorization.

2136542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068273.

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

The square root of 2136542 is about 1461.6914859162. The cubic root of 2136542 is about 128.7964259003.

It can be divided in two parts, 21 and 36542, that added together give a palindrome (36563).

The spelling of 2136542 in words is "two million, one hundred thirty-six thousand, five hundred forty-two".