130521004436 has 12 divisors (see below), whose sum is σ = 228587063712. Its totient is φ = 65210414808.

The previous prime is 130521004421. The next prime is 130521004477. The reversal of 130521004436 is 634400125031.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 130521004399 and 130521004408.

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 3 ways as a sum of consecutive naturals, for example, 12515990 + ... + 12526413.

It is an arithmetic number, because the mean of its divisors is an integer number (19048921976).

Almost surely, 2^130521004436 is an apocalyptic number.

It is an amenable number.

130521004436 is a deficient number, since it is larger than the sum of its proper divisors (98066059276).

130521004436 is a wasteful number, since it uses less digits than its factorization.

130521004436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25043710 (or 25043708 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 130521004436 its reverse (634400125031), we get a palindrome (764921129467).

The spelling of 130521004436 in words is "one hundred thirty billion, five hundred twenty-one million, four thousand, four hundred thirty-six".