130506210 has 24 divisors (see below), whose sum is σ = 339316380. Its totient is φ = 34801632.

The previous prime is 130506203. The next prime is 130506223. The reversal of 130506210 is 12605031.

It can be written as a sum of positive squares in 2 ways, for example, as 127035441 + 3470769 = 11271^2 + 1863^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724945 + ... + 725124.

Almost surely, 2^130506210 is an apocalyptic number.

130506210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130506210 is an abundant number, since it is smaller than the sum of its proper divisors (208810170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130506210 is a wasteful number, since it uses less digits than its factorization.

130506210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450082 (or 1450079 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130506210 is about 11423.9314598784. The cubic root of 130506210 is about 507.2363777616.

The spelling of 130506210 in words is "one hundred thirty million, five hundred six thousand, two hundred ten".