130503404 has 24 divisors (see below), whose sum is σ = 233049600. Its totient is φ = 63928656.

The previous prime is 130503383. The next prime is 130503421. The reversal of 130503404 is 404305031.

It is a super-2 number, since 2×130503404² = 34062276911174432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52109 + ... + 54555.

It is an arithmetic number, because the mean of its divisors is an integer number (9710400).

Almost surely, 2^130503404 is an apocalyptic number.

It is an amenable number.

130503404 is a deficient number, since it is larger than the sum of its proper divisors (102546196).

130503404 is a wasteful number, since it uses less digits than its factorization.

130503404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130503404 is about 11423.8086468568. The cubic root of 130503404 is about 507.2327423906.

Adding to 130503404 its reverse (404305031), we get a palindrome (534808435).

It can be divided in two parts, 130 and 503404, that multiplied together give a triangular number (65442520 = T₁₁₄₄₀).

The spelling of 130503404 in words is "one hundred thirty million, five hundred three thousand, four hundred four".