130448028 has 12 divisors (see below), whose sum is σ = 304378760. Its totient is φ = 43482672.

The previous prime is 130448023. The next prime is 130448033. The reversal of 130448028 is 820844031.

It is an interprime number because it is at equal distance from previous prime (130448023) and next prime (130448033).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 130447986 and 130448004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130448023) 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, 5435323 + ... + 5435346.

Almost surely, 2^130448028 is an apocalyptic number.

It is an amenable number.

130448028 is an abundant number, since it is smaller than the sum of its proper divisors (173930732).

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

130448028 is a wasteful number, since it uses less digits than its factorization.

130448028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870676 (or 10870674 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 130448028 is about 11421.3846796262. The cubic root of 130448028 is about 507.1609882108.

The spelling of 130448028 in words is "one hundred thirty million, four hundred forty-eight thousand, twenty-eight".