210345130 has 8 divisors (see below), whose sum is σ = 378621252. Its totient is φ = 84138048.

The previous prime is 210345101. The next prime is 210345133. The reversal of 210345130 is 31543012.

It can be written as a sum of positive squares in 2 ways, for example, as 201952521 + 8392609 = 14211^2 + 2897^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 210345098 and 210345107.

It is not an unprimeable number, because it can be changed into a prime (210345133) 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, 10517247 + ... + 10517266.

Almost surely, 2^210345130 is an apocalyptic number.

210345130 is a deficient number, since it is larger than the sum of its proper divisors (168276122).

210345130 is a wasteful number, since it uses less digits than its factorization.

210345130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21034520.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 210345130 is about 14503.2799738542. The cubic root of 210345130 is about 594.7176401946.

Adding to 210345130 its reverse (31543012), we get a palindrome (241888142).

The spelling of 210345130 in words is "two hundred ten million, three hundred forty-five thousand, one hundred thirty".