130019904 has 140 divisors (see below), whose sum is σ = 440602624. Its totient is φ = 37138176.

The previous prime is 130019899. The next prime is 130019951. The reversal of 130019904 is 409910031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34497 + ... + 38079.

Almost surely, 2^130019904 is an apocalyptic number.

130019904 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 130019904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220301312).

130019904 is an abundant number, since it is smaller than the sum of its proper divisors (310582720).

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

130019904 is an equidigital number, since it uses as much as digits as its factorization.

130019904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 130019904 is about 11402.6270657248. The cubic root of 130019904 is about 506.6055543404.

Adding to 130019904 its reverse (409910031), we get a palindrome (539929935).

The spelling of 130019904 in words is "one hundred thirty million, nineteen thousand, nine hundred four".