130643895 has 24 divisors (see below), whose sum is σ = 222056784. Its totient is φ = 65575936.

The previous prime is 130643893. The next prime is 130643921. The reversal of 130643895 is 598346031.

It is not a de Polignac number, because 130643895 - 2¹ = 130643893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130643893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10734 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (9252366).

Almost surely, 2^130643895 is an apocalyptic number.

130643895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130643895 is a deficient number, since it is larger than the sum of its proper divisors (91412889).

130643895 is a wasteful number, since it uses less digits than its factorization.

130643895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30179 (or 30162 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 130643895 is about 11429.9560366609. The cubic root of 130643895 is about 507.4146944228.

The spelling of 130643895 in words is "one hundred thirty million, six hundred forty-three thousand, eight hundred ninety-five".