130143204 has 18 divisors (see below), whose sum is σ = 328973190. Its totient is φ = 43381056.

The previous prime is 130143191. The next prime is 130143259. The reversal of 130143204 is 402341031.

It can be written as a sum of positive squares in only one way, i.e., 118853604 + 11289600 = 10902^2 + 3360^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1807509 + ... + 1807580.

Almost surely, 2^130143204 is an apocalyptic number.

It is an amenable number.

130143204 is an abundant number, since it is smaller than the sum of its proper divisors (198829986).

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

130143204 is a wasteful number, since it uses less digits than its factorization.

130143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615099 (or 3615094 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130143204 is about 11408.0324333340. The cubic root of 130143204 is about 506.7656445214.

Adding to 130143204 its reverse (402341031), we get a palindrome (532484235).

The spelling of 130143204 in words is "one hundred thirty million, one hundred forty-three thousand, two hundred four".