130643066 has 8 divisors (see below), whose sum is σ = 196047540. Its totient is φ = 65293888.

The previous prime is 130643017. The next prime is 130643081. The reversal of 130643066 is 660346031.

It can be written as a sum of positive squares in 2 ways, for example, as 130622041 + 21025 = 11429^2 + 145^2 .

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

It is a super-2 number, since 2×130643066² = 34135221387760712, which contains 22 as substring.

It is a Curzon number.

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, 7301 + ... + 17736.

Almost surely, 2^130643066 is an apocalyptic number.

130643066 is a deficient number, since it is larger than the sum of its proper divisors (65404474).

130643066 is a wasteful number, since it uses less digits than its factorization.

130643066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27648.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 130643066 is about 11429.9197722469. The cubic root of 130643066 is about 507.4136211550.

Adding to 130643066 its reverse (660346031), we get a palindrome (790989097).

The spelling of 130643066 in words is "one hundred thirty million, six hundred forty-three thousand, sixty-six".