130441278181 has 4 divisors (see below), whose sum is σ = 130610903500. Its totient is φ = 130271652864.

The previous prime is 130441278173. The next prime is 130441278203. The reversal of 130441278181 is 181872144031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 181872144031 = 4793 ⋅37945367.

It can be written as a sum of positive squares in 2 ways, for example, as 78167772225 + 52273505956 = 279585^2 + 228634^2 .

It is a cyclic number.

It is not a de Polignac number, because 130441278181 - 2³ = 130441278173 is a prime.

It is a super-2 number, since 2×130441278181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130441278131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84811506 + ... + 84813043.

It is an arithmetic number, because the mean of its divisors is an integer number (32652725875).

Almost surely, 2^130441278181 is an apocalyptic number.

It is an amenable number.

130441278181 is a deficient number, since it is larger than the sum of its proper divisors (169625319).

130441278181 is an equidigital number, since it uses as much as digits as its factorization.

130441278181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169625318.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 130441278181 in words is "one hundred thirty billion, four hundred forty-one million, two hundred seventy-eight thousand, one hundred eighty-one".