130240404 has 72 divisors (see below), whose sum is σ = 377901888. Its totient is φ = 37048320.

The previous prime is 130240373. The next prime is 130240433. The reversal of 130240404 is 404042031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63759 + ... + 65769.

Almost surely, 2^130240404 is an apocalyptic number.

130240404 is a gapful number since it is divisible by the number (14) 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 130240404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188950944).

130240404 is an abundant number, since it is smaller than the sum of its proper divisors (247661484).

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

130240404 is a wasteful number, since it uses less digits than its factorization.

130240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 130240404 is about 11412.2917943768. The cubic root of 130240404 is about 506.8917757400.

Adding to 130240404 its reverse (404042031), we get a palindrome (534282435).

The spelling of 130240404 in words is "one hundred thirty million, two hundred forty thousand, four hundred four".