130575221538 has 16 divisors (see below), whose sum is σ = 261212657376. Its totient is φ = 43514704800.

The previous prime is 130575221533. The next prime is 130575221549. The reversal of 130575221538 is 835122575031.

It is a self number, because there is not a number n which added to its sum of digits gives 130575221538.

It is not an unprimeable number, because it can be changed into a prime (130575221531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2564956 + ... + 2615367.

It is an arithmetic number, because the mean of its divisors is an integer number (16325791086).

Almost surely, 2^130575221538 is an apocalyptic number.

130575221538 is an abundant number, since it is smaller than the sum of its proper divisors (130637435838).

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

130575221538 is a wasteful number, since it uses less digits than its factorization.

130575221538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184529.

The product of its (nonzero) digits is 252000, while the sum is 42.

Adding to 130575221538 its reverse (835122575031), we get a palindrome (965697796569).

The spelling of 130575221538 in words is "one hundred thirty billion, five hundred seventy-five million, two hundred twenty-one thousand, five hundred thirty-eight".