130204240105 has 4 divisors (see below), whose sum is σ = 156245088132. Its totient is φ = 104163392080.

The previous prime is 130204240057. The next prime is 130204240109. The reversal of 130204240105 is 501042402031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25680703504 + 104523536601 = 160252^2 + 323301^2 .

It is not a de Polignac number, because 130204240105 - 2²¹ = 130202142953 is a prime.

It is a super-2 number, since 2×130204240105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130204240109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13020424006 + ... + 13020424015.

It is an arithmetic number, because the mean of its divisors is an integer number (39061272033).

Almost surely, 2^130204240105 is an apocalyptic number.

It is an amenable number.

130204240105 is a deficient number, since it is larger than the sum of its proper divisors (26040848027).

130204240105 is an equidigital number, since it uses as much as digits as its factorization.

130204240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26040848026.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 130204240105 its reverse (501042402031), we get a palindrome (631246642136).

The spelling of 130204240105 in words is "one hundred thirty billion, two hundred four million, two hundred forty thousand, one hundred five".