130635988 has 24 divisors (see below), whose sum is σ = 261539712. Its totient is φ = 55929504.

The previous prime is 130635977. The next prime is 130635991. The reversal of 130635988 is 889536031.

It is a super-2 number, since 2×130635988² = 34131522721472288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36570 + ... + 39982.

It is an arithmetic number, because the mean of its divisors is an integer number (10897488).

Almost surely, 2^130635988 is an apocalyptic number.

It is an amenable number.

130635988 is an abundant number, since it is smaller than the sum of its proper divisors (130903724).

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

130635988 is a wasteful number, since it uses less digits than its factorization.

130635988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791 (or 4789 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 130635988 is about 11429.6101420827. The cubic root of 130635988 is about 507.4044574119.

Adding to 130635988 its sum of digits (43), we get a palindrome (130636031).

The spelling of 130635988 in words is "one hundred thirty million, six hundred thirty-five thousand, nine hundred eighty-eight".