130523004 has 36 divisors (see below), whose sum is σ = 330613920. Its totient is φ = 43417920.

The previous prime is 130522993. The next prime is 130523011. The reversal of 130523004 is 400325031.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15277 + ... + 22235.

It is an arithmetic number, because the mean of its divisors is an integer number (9183720).

Almost surely, 2^130523004 is an apocalyptic number.

It is an amenable number.

130523004 is an abundant number, since it is smaller than the sum of its proper divisors (200090916).

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

130523004 is a wasteful number, since it uses less digits than its factorization.

130523004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490 (or 7485 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130523004 is about 11424.6664721558. Note that the first 3 decimals coincide. The cubic root of 130523004 is about 507.2581344846.

Adding to 130523004 its reverse (400325031), we get a palindrome (530848035).

The spelling of 130523004 in words is "one hundred thirty million, five hundred twenty-three thousand, four".