130993863 has 64 divisors (see below), whose sum is σ = 236780544. Its totient is φ = 62208000.

The previous prime is 130993861. The next prime is 130993873. The reversal of 130993863 is 368399031.

130993863 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 130993863 - 2¹ = 130993861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130993861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 543423 + ... + 543663.

It is an arithmetic number, because the mean of its divisors is an integer number (3699696).

Almost surely, 2^130993863 is an apocalyptic number.

130993863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130993863 is a deficient number, since it is larger than the sum of its proper divisors (105786681).

130993863 is a wasteful number, since it uses less digits than its factorization.

130993863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 130993863 is about 11445.2550430298. The cubic root of 130993863 is about 507.8673768223.

The spelling of 130993863 in words is "one hundred thirty million, nine hundred ninety-three thousand, eight hundred sixty-three".