130421448 has 64 divisors (see below), whose sum is σ = 372096000. Its totient is φ = 42296256.

The previous prime is 130421429. The next prime is 130421449. The reversal of 130421448 is 844124031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130421449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (5814000).

Almost surely, 2^130421448 is an apocalyptic number.

130421448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130421448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186048000).

130421448 is an abundant number, since it is smaller than the sum of its proper divisors (241674552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130421448 is a wasteful number, since it uses less digits than its factorization.

130421448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371 (or 16361 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 130421448 is about 11420.2210136232. The cubic root of 130421448 is about 507.1265396135.

Adding to 130421448 its reverse (844124031), we get a palindrome (974545479).

The spelling of 130421448 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred forty-eight".