210255130 has 8 divisors (see below), whose sum is σ = 378459252. Its totient is φ = 84102048.

The previous prime is 210255109. The next prime is 210255137. The reversal of 210255130 is 31552012.

It can be written as a sum of positive squares in 2 ways, for example, as 204690249 + 5564881 = 14307^2 + 2359^2 .

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 = 210255098 and 210255107.

It is not an unprimeable number, because it can be changed into a prime (210255137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10512747 + ... + 10512766.

Almost surely, 2^210255130 is an apocalyptic number.

210255130 is a deficient number, since it is larger than the sum of its proper divisors (168204122).

210255130 is a wasteful number, since it uses less digits than its factorization.

210255130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025520.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 210255130 is about 14500.1768954727. The cubic root of 210255130 is about 594.6328078317.

The spelling of 210255130 in words is "two hundred ten million, two hundred fifty-five thousand, one hundred thirty".