213010136 has 16 divisors (see below), whose sum is σ = 422888040. Its totient is φ = 100240000.

The previous prime is 213010123. The next prime is 213010139. The reversal of 213010136 is 631010312.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213010139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782990 + ... + 783261.

Almost surely, 2^213010136 is an apocalyptic number.

It is an amenable number.

213010136 is a deficient number, since it is larger than the sum of its proper divisors (209877904).

213010136 is a wasteful number, since it uses less digits than its factorization.

213010136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566274 (or 1566270 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 213010136 is about 14594.8667688335. The cubic root of 213010136 is about 597.2187349358.

Adding to 213010136 its reverse (631010312), we get a palindrome (844020448).

The spelling of 213010136 in words is "two hundred thirteen million, ten thousand, one hundred thirty-six".