130812448 has 24 divisors (see below), whose sum is σ = 277348428. Its totient is φ = 60374784.

The previous prime is 130812439. The next prime is 130812449. The reversal of 130812448 is 844218031.

It can be written as a sum of positive squares in 2 ways, for example, as 117765904 + 13046544 = 10852^2 + 3612^2 .

It is a super-2 number, since 2×130812448² = 34223793103505408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130812449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156811 + ... + 157642.

Almost surely, 2^130812448 is an apocalyptic number.

It is an amenable number.

130812448 is an abundant number, since it is smaller than the sum of its proper divisors (146535980).

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

130812448 is a wasteful number, since it uses less digits than its factorization.

130812448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314476 (or 314468 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 130812448 is about 11437.3269604397. The cubic root of 130812448 is about 507.6328179311.

The spelling of 130812448 in words is "one hundred thirty million, eight hundred twelve thousand, four hundred forty-eight".