130443604 has 6 divisors (see below), whose sum is σ = 228276314. Its totient is φ = 65221800.

The previous prime is 130443589. The next prime is 130443613. The reversal of 130443604 is 406344031.

It is a happy number.

130443604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111936400 + 18507204 = 10580^2 + 4302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16305447 + ... + 16305454.

Almost surely, 2^130443604 is an apocalyptic number.

It is an amenable number.

130443604 is a deficient number, since it is larger than the sum of its proper divisors (97832710).

130443604 is a wasteful number, since it uses less digits than its factorization.

130443604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32610905 (or 32610903 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 130443604 is about 11421.1910061955. The cubic root of 130443604 is about 507.1552548787.

Adding to 130443604 its reverse (406344031), we get a palindrome (536787635).

The spelling of 130443604 in words is "one hundred thirty million, four hundred forty-three thousand, six hundred four".