130810536 has 24 divisors (see below), whose sum is σ = 354278730. Its totient is φ = 43603488.

The previous prime is 130810531. The next prime is 130810549. The reversal of 130810536 is 635018031.

It can be written as a sum of positive squares in only one way, i.e., 81108036 + 49702500 = 9006^2 + 7050^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×130810536² = 34222792657214592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130810531) by changing a digit.

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, 908335 + ... + 908478.

Almost surely, 2^130810536 is an apocalyptic number.

It is an amenable number.

130810536 is an abundant number, since it is smaller than the sum of its proper divisors (223468194).

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

130810536 is a wasteful number, since it uses less digits than its factorization.

130810536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816825 (or 1816818 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 130810536 is about 11437.2433741702. The cubic root of 130810536 is about 507.6303446735.

Adding to 130810536 its reverse (635018031), we get a palindrome (765828567).

The spelling of 130810536 in words is "one hundred thirty million, eight hundred ten thousand, five hundred thirty-six".