130138899 has 32 divisors (see below), whose sum is σ = 203931648. Its totient is φ = 72996000.

The previous prime is 130138891. The next prime is 130138913. The reversal of 130138899 is 998831031.

It is a happy number.

It is not a de Polignac number, because 130138899 - 2³ = 130138891 is a prime.

It is a super-2 number, since 2×130138899² = 33872266065864402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130138899.

It is not an unprimeable number, because it can be changed into a prime (130138891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20764 + ... + 26294.

It is an arithmetic number, because the mean of its divisors is an integer number (6372864).

Almost surely, 2^130138899 is an apocalyptic number.

130138899 is a deficient number, since it is larger than the sum of its proper divisors (73792749).

130138899 is a wasteful number, since it uses less digits than its factorization.

130138899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 130138899 is about 11407.8437489299. The cubic root of 130138899 is about 506.7600567020.

It can be divided in two parts, 13013 and 8899, that added together give a palindrome (21912).

The spelling of 130138899 in words is "one hundred thirty million, one hundred thirty-eight thousand, eight hundred ninety-nine".