130046181 has 4 divisors (see below), whose sum is σ = 173394912. Its totient is φ = 86697452.

The previous prime is 130046173. The next prime is 130046221. The reversal of 130046181 is 181640031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 181640031 = 3 ⋅60546677.

It is a cyclic number.

It is not a de Polignac number, because 130046181 - 2³ = 130046173 is a prime.

It is a super-2 number, since 2×130046181² = 33824018385369522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130046101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21674361 + ... + 21674366.

It is an arithmetic number, because the mean of its divisors is an integer number (43348728).

Almost surely, 2^130046181 is an apocalyptic number.

It is an amenable number.

130046181 is a deficient number, since it is larger than the sum of its proper divisors (43348731).

130046181 is an equidigital number, since it uses as much as digits as its factorization.

130046181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43348730.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 130046181 is about 11403.7792419882. The cubic root of 130046181 is about 506.6396803398.

The spelling of 130046181 in words is "one hundred thirty million, forty-six thousand, one hundred eighty-one".