130040404 has 24 divisors (see below), whose sum is σ = 245411208. Its totient is φ = 59936640.

The previous prime is 130040401. The next prime is 130040423. The reversal of 130040404 is 404040031.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 128595600 = 1202^2 + 11340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130040401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53994 + ... + 56350.

It is an arithmetic number, because the mean of its divisors is an integer number (10225467).

Almost surely, 2^130040404 is an apocalyptic number.

It is an amenable number.

130040404 is a deficient number, since it is larger than the sum of its proper divisors (115370804).

130040404 is a wasteful number, since it uses less digits than its factorization.

130040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130040404 is about 11403.5259459520. The cubic root of 130040404 is about 506.6321781310.

Adding to 130040404 its reverse (404040031), we get a palindrome (534080435).

The spelling of 130040404 in words is "one hundred thirty million, forty thousand, four hundred four".