214521130 has 16 divisors (see below), whose sum is σ = 408852360. Its totient is φ = 80760832.

The previous prime is 214521127. The next prime is 214521133. The reversal of 214521130 is 31125412.

It is an interprime number because it is at equal distance from previous prime (214521127) and next prime (214521133).

It can be written as a sum of positive squares in 4 ways, for example, as 212838921 + 1682209 = 14589^2 + 1297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214521098 and 214521107.

It is not an unprimeable number, because it can be changed into a prime (214521133) 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 7 ways as a sum of consecutive naturals, for example, 630775 + ... + 631114.

Almost surely, 2^214521130 is an apocalyptic number.

214521130 is a deficient number, since it is larger than the sum of its proper divisors (194331230).

214521130 is a wasteful number, since it uses less digits than its factorization.

214521130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261913.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 214521130 is about 14646.5398644185. The cubic root of 214521130 is about 598.6275389039.

Adding to 214521130 its reverse (31125412), we get a palindrome (245646542).

The spelling of 214521130 in words is "two hundred fourteen million, five hundred twenty-one thousand, one hundred thirty".