216130 has 8 divisors (see below), whose sum is σ = 389052. Its totient is φ = 86448.

The previous prime is 216127. The next prime is 216133. The reversal of 216130 is 31612.

It is an interprime number because it is at equal distance from previous prime (216127) and next prime (216133).

It can be written as a sum of positive squares in 2 ways, for example, as 196249 + 19881 = 443^2 + 141^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 216130.

It is not an unprimeable number, because it can be changed into a prime (216133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10797 + ... + 10816.

2²¹⁶¹³⁰ is an apocalyptic number.

216130 is a deficient number, since it is larger than the sum of its proper divisors (172922).

216130 is a wasteful number, since it uses less digits than its factorization.

216130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 216130 is about 464.8978382398. The cubic root of 216130 is about 60.0120346230.

Adding to 216130 its reverse (31612), we get a palindrome (247742).

The spelling of 216130 in words is "two hundred sixteen thousand, one hundred thirty".