213135050 has 12 divisors (see below), whose sum is σ = 396431286. Its totient is φ = 85254000.

The previous prime is 213135049. The next prime is 213135053. The reversal of 213135050 is 50531312.

213135050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 174583369 + 38551681 = 13213^2 + 6209^2 .

It is not an unprimeable number, because it can be changed into a prime (213135053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2131301 + ... + 2131400.

Almost surely, 2^213135050 is an apocalyptic number.

213135050 is a deficient number, since it is larger than the sum of its proper divisors (183296236).

213135050 is a wasteful number, since it uses less digits than its factorization.

213135050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262713 (or 4262708 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 213135050 is about 14599.1455229407. The cubic root of 213135050 is about 597.3354530173.

Adding to 213135050 its reverse (50531312), we get a palindrome (263666362).

The spelling of 213135050 in words is "two hundred thirteen million, one hundred thirty-five thousand, fifty".