130404452005 has 4 divisors (see below), whose sum is σ = 156485342412. Its totient is φ = 104323561600.

The previous prime is 130404451997. The next prime is 130404452021. The reversal of 130404452005 is 500254404031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500254404031 = 1097 ⋅456020423.

It can be written as a sum of positive squares in 2 ways, for example, as 91368966529 + 39035485476 = 302273^2 + 197574^2 .

It is not a de Polignac number, because 130404452005 - 2³ = 130404451997 is a prime.

It is a super-2 number, since 2×130404452005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 13040445196 + ... + 13040445205.

It is an arithmetic number, because the mean of its divisors is an integer number (39121335603).

Almost surely, 2^130404452005 is an apocalyptic number.

It is an amenable number.

130404452005 is a deficient number, since it is larger than the sum of its proper divisors (26080890407).

130404452005 is an equidigital number, since it uses as much as digits as its factorization.

130404452005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26080890406.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 130404452005 its reverse (500254404031), we get a palindrome (630658856036).

The spelling of 130404452005 in words is "one hundred thirty billion, four hundred four million, four hundred fifty-two thousand, five".