213301136 has 20 divisors (see below), whose sum is σ = 413682972. Its totient is φ = 106544256.

The previous prime is 213301063. The next prime is 213301139. The reversal of 213301136 is 631103312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188897536 + 24403600 = 13744^2 + 4940^2 .

It is not an unprimeable number, because it can be changed into a prime (213301139) 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, 11390 + ... + 23586.

Almost surely, 2^213301136 is an apocalyptic number.

It is an amenable number.

213301136 is a deficient number, since it is larger than the sum of its proper divisors (200381836).

213301136 is a wasteful number, since it uses less digits than its factorization.

213301136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298 (or 13292 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 213301136 is about 14604.8326248540. The cubic root of 213301136 is about 597.4905710947.

Adding to 213301136 its reverse (631103312), we get a palindrome (844404448).

The spelling of 213301136 in words is "two hundred thirteen million, three hundred one thousand, one hundred thirty-six".