130665210 has 64 divisors (see below), whose sum is σ = 342074880. Its totient is φ = 31749120.

The previous prime is 130665187. The next prime is 130665211. The reversal of 130665210 is 12566031.

It is not an unprimeable number, because it can be changed into a prime (130665211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28690 + ... + 32930.

It is an arithmetic number, because the mean of its divisors is an integer number (5344920).

Almost surely, 2^130665210 is an apocalyptic number.

130665210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130665210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171037440).

130665210 is an abundant number, since it is smaller than the sum of its proper divisors (211409670).

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

130665210 is a wasteful number, since it uses less digits than its factorization.

130665210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 130665210 is about 11430.8884169167. Note that the first 3 decimals coincide. The cubic root of 130665210 is about 507.4422884054.

The spelling of 130665210 in words is "one hundred thirty million, six hundred sixty-five thousand, two hundred ten".