130538448 has 30 divisors (see below), whose sum is σ = 365326754. Its totient is φ = 43512768.

The previous prime is 130538407. The next prime is 130538459. The reversal of 130538448 is 844835031.

It can be written as a sum of positive squares in only one way, i.e., 130233744 + 304704 = 11412^2 + 552^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453115 + ... + 453402.

Almost surely, 2^130538448 is an apocalyptic number.

130538448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

130538448 is an abundant number, since it is smaller than the sum of its proper divisors (234788306).

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

130538448 is a wasteful number, since it uses less digits than its factorization.

130538448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906531 (or 906522 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 130538448 is about 11425.3423581090. The cubic root of 130538448 is about 507.2781406276.

The spelling of 130538448 in words is "one hundred thirty million, five hundred thirty-eight thousand, four hundred forty-eight".