130200421 has 8 divisors (see below), whose sum is σ = 140475384. Its totient is φ = 119962560.

The previous prime is 130200409. The next prime is 130200443. The reversal of 130200421 is 124002031.

It can be written as a sum of positive squares in 4 ways, for example, as 12152196 + 118048225 = 3486^2 + 10865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130200421 - 2¹⁷ = 130069349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130200451) 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, 1750 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (17559423).

Almost surely, 2^130200421 is an apocalyptic number.

It is an amenable number.

130200421 is a deficient number, since it is larger than the sum of its proper divisors (10274963).

130200421 is a wasteful number, since it uses less digits than its factorization.

130200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18551.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 130200421 is about 11410.5399083479. The cubic root of 130200421 is about 506.8398995491.

Adding to 130200421 its reverse (124002031), we get a palindrome (254202452).

The spelling of 130200421 in words is "one hundred thirty million, two hundred thousand, four hundred twenty-one".