2136242 has 8 divisors (see below), whose sum is σ = 3210732. Its totient is φ = 1066000.

The previous prime is 2136221. The next prime is 2136247. The reversal of 2136242 is 2426312.

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 474721 = 1289^2 + 689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 3⁷ + 6 + 2¹⁵ + 4⁶ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2136247) 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, 992 + ... + 2292.

2^2136242 is an apocalyptic number.

2136242 is a deficient number, since it is larger than the sum of its proper divisors (1074490).

2136242 is a wasteful number, since it uses less digits than its factorization.

2136242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 576, while the sum is 20.

The square root of 2136242 is about 1461.5888614792. The cubic root of 2136242 is about 128.7903973526.

It can be divided in two parts, 21 and 36242, that added together give a palindrome (36263).

The spelling of 2136242 in words is "two million, one hundred thirty-six thousand, two hundred forty-two".