130699999 has 4 divisors (see below), whose sum is σ = 134916160. Its totient is φ = 126483840.

The previous prime is 130699951. The next prime is 130700057. The reversal of 130699999 is 999996031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130699999 - 2¹⁹ = 130175711 is a prime.

It is a Duffinian number.

130699999 is a modest number, since divided by 99999 gives 1306 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130699099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108034 + ... + 2108095.

It is an arithmetic number, because the mean of its divisors is an integer number (33729040).

Almost surely, 2^130699999 is an apocalyptic number.

130699999 is a deficient number, since it is larger than the sum of its proper divisors (4216161).

130699999 is an equidigital number, since it uses as much as digits as its factorization.

130699999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216160.

The product of its (nonzero) digits is 1062882, while the sum is 55.

The square root of 130699999 is about 11432.4100258869. The cubic root of 130699999 is about 507.4873191198.

The spelling of 130699999 in words is "one hundred thirty million, six hundred ninety-nine thousand, nine hundred ninety-nine".