130133808 has 90 divisors (see below), whose sum is σ = 423677124. Its totient is φ = 37179072.

The previous prime is 130133807. The next prime is 130133813. The reversal of 130133808 is 808331031.

It is not an unprimeable number, because it can be changed into a prime (130133807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2166 + ... + 16277.

Almost surely, 2^130133808 is an apocalyptic number.

130133808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130133808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211838562).

130133808 is an abundant number, since it is smaller than the sum of its proper divisors (293543316).

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

130133808 is a wasteful number, since it uses less digits than its factorization.

130133808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471 (or 18455 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 130133808 is about 11407.6206108022. The cubic root of 130133808 is about 506.7534485085.

Adding to 130133808 its reverse (808331031), we get a palindrome (938464839).

The spelling of 130133808 in words is "one hundred thirty million, one hundred thirty-three thousand, eight hundred eight".