130409448 has 128 divisors (see below), whose sum is σ = 388281600. Its totient is φ = 36089856.

The previous prime is 130409441. The next prime is 130409449. The reversal of 130409448 is 844904031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130409441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121458 + ... + 122526.

It is an arithmetic number, because the mean of its divisors is an integer number (3033450).

Almost surely, 2^130409448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130409448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194140800).

130409448 is an abundant number, since it is smaller than the sum of its proper divisors (257872152).

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

130409448 is a wasteful number, since it uses less digits than its factorization.

130409448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 130409448 is about 11419.6956176599. The cubic root of 130409448 is about 507.1109856658.

The spelling of 130409448 in words is "one hundred thirty million, four hundred nine thousand, four hundred forty-eight".