130181234 has 8 divisors (see below), whose sum is σ = 195331500. Its totient is φ = 65070736.

The previous prime is 130181231. The next prime is 130181237. The reversal of 130181234 is 432181031.

It is an interprime number because it is at equal distance from previous prime (130181231) and next prime (130181237).

It can be written as a sum of positive squares in 2 ways, for example, as 125328025 + 4853209 = 11195^2 + 2203^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130181231) 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, 392 + ... + 16140.

Almost surely, 2^130181234 is an apocalyptic number.

130181234 is a deficient number, since it is larger than the sum of its proper divisors (65150266).

130181234 is a wasteful number, since it uses less digits than its factorization.

130181234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19884.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 130181234 is about 11409.6991196087. The cubic root of 130181234 is about 506.8150014860.

The spelling of 130181234 in words is "one hundred thirty million, one hundred eighty-one thousand, two hundred thirty-four".