130181530 has 8 divisors (see below), whose sum is σ = 234326772. Its totient is φ = 52072608.

The previous prime is 130181507. The next prime is 130181531. The reversal of 130181530 is 35181031.

It can be written as a sum of positive squares in 2 ways, for example, as 129254161 + 927369 = 11369^2 + 963^2 .

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 (130181531) 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, 6509067 + ... + 6509086.

Almost surely, 2^130181530 is an apocalyptic number.

130181530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130181530 is a deficient number, since it is larger than the sum of its proper divisors (104145242).

130181530 is a wasteful number, since it uses less digits than its factorization.

130181530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018160.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 130181530 is about 11409.7120910214. The cubic root of 130181530 is about 506.8153856098.

The spelling of 130181530 in words is "one hundred thirty million, one hundred eighty-one thousand, five hundred thirty".