21136362 has 32 divisors (see below), whose sum is σ = 45759168. Its totient is φ = 6470016.

The previous prime is 21136319. The next prime is 21136369. The reversal of 21136362 is 26363112.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (21136369) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17593 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (1429974).

Almost surely, 2^21136362 is an apocalyptic number.

21136362 is an abundant number, since it is smaller than the sum of its proper divisors (24622806).

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

21136362 is a wasteful number, since it uses less digits than its factorization.

21136362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 1296, while the sum is 24.

The square root of 21136362 is about 4597.4299342132. The cubic root of 21136362 is about 276.4882923058.

Adding to 21136362 its reverse (26363112), we get a palindrome (47499474).

The spelling of 21136362 in words is "twenty-one million, one hundred thirty-six thousand, three hundred sixty-two".