130409998 has 16 divisors (see below), whose sum is σ = 201152160. Its totient is φ = 63382176.

The previous prime is 130409989. The next prime is 130409999. The reversal of 130409998 is 899904031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130409999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5911 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (12572010).

Almost surely, 2^130409998 is an apocalyptic number.

130409998 is a deficient number, since it is larger than the sum of its proper divisors (70742162).

130409998 is a wasteful number, since it uses less digits than its factorization.

130409998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 130409998 is about 11419.7196988367. The cubic root of 130409998 is about 507.1116985759. Note that the first 3 decimals are identical.

The spelling of 130409998 in words is "one hundred thirty million, four hundred nine thousand, nine hundred ninety-eight".