130105700 has 18 divisors (see below), whose sum is σ = 282329586. Its totient is φ = 52042240.

The previous prime is 130105697. The next prime is 130105721. The reversal of 130105700 is 7501031.

It can be written as a sum of positive squares in 3 ways, for example, as 12773476 + 117332224 = 3574^2 + 10832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650429 + ... + 650628.

It is an arithmetic number, because the mean of its divisors is an integer number (15684977).

Almost surely, 2^130105700 is an apocalyptic number.

130105700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130105700 is an abundant number, since it is smaller than the sum of its proper divisors (152223886).

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

130105700 is a wasteful number, since it uses less digits than its factorization.

130105700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301071 (or 1301064 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 130105700 is about 11406.3885608022. The cubic root of 130105700 is about 506.7169608046.

Adding to 130105700 its reverse (7501031), we get a palindrome (137606731).

The spelling of 130105700 in words is "one hundred thirty million, one hundred five thousand, seven hundred".