130144531021 has 8 divisors (see below), whose sum is σ = 141718183200. Its totient is φ = 119043272880.

The previous prime is 130144531019. The next prime is 130144531051. The reversal of 130144531021 is 120135441031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130144531021 - 2¹ = 130144531019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130144531051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118097935 + ... + 118099036.

It is an arithmetic number, because the mean of its divisors is an integer number (17714772900).

Almost surely, 2^130144531021 is an apocalyptic number.

It is an amenable number.

130144531021 is a deficient number, since it is larger than the sum of its proper divisors (11573652179).

130144531021 is a wasteful number, since it uses less digits than its factorization.

130144531021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236197019.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 130144531021 its reverse (120135441031), we get a palindrome (250279972052).

The spelling of 130144531021 in words is "one hundred thirty billion, one hundred forty-four million, five hundred thirty-one thousand, twenty-one".