130508618 has 8 divisors (see below), whose sum is σ = 196149060. Its totient is φ = 65125600.

The previous prime is 130508603. The next prime is 130508627. The reversal of 130508618 is 816805031.

It can be written as a sum of positive squares in 2 ways, for example, as 116273089 + 14235529 = 10783^2 + 3773^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63083 + ... + 65118.

Almost surely, 2^130508618 is an apocalyptic number.

130508618 is a deficient number, since it is larger than the sum of its proper divisors (65640442).

130508618 is a wasteful number, since it uses less digits than its factorization.

130508618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128712.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 130508618 is about 11424.0368521815. The cubic root of 130508618 is about 507.2394974540.

The spelling of 130508618 in words is "one hundred thirty million, five hundred eight thousand, six hundred eighteen".