130630640630 has 32 divisors (see below), whose sum is σ = 268882101504. Its totient is φ = 44761612896.

The previous prime is 130630640617. The next prime is 130630640639. The reversal of 130630640630 is 36046036031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130630640639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420932 + ... + 662151.

It is an arithmetic number, because the mean of its divisors is an integer number (8402565672).

Almost surely, 2^130630640630 is an apocalyptic number.

130630640630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130630640630 is an abundant number, since it is smaller than the sum of its proper divisors (138251460874).

130630640630 is a wasteful number, since it uses less digits than its factorization.

130630640630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084820.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 130630640630 its reverse (36046036031), we get a palindrome (166676676661).

The spelling of 130630640630 in words is "one hundred thirty billion, six hundred thirty million, six hundred forty thousand, six hundred thirty".