130938544 has 80 divisors (see below), whose sum is σ = 289695744. Its totient is φ = 56793600.

The previous prime is 130938541. The next prime is 130938581. The reversal of 130938544 is 445839031.

It is not an unprimeable number, because it can be changed into a prime (130938541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 561852 + ... + 562084.

Almost surely, 2^130938544 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 130938544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144847872).

130938544 is an abundant number, since it is smaller than the sum of its proper divisors (158757200).

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

130938544 is a wasteful number, since it uses less digits than its factorization.

130938544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 130938544 is about 11442.8381094901. The cubic root of 130938544 is about 507.7958755817.

The spelling of 130938544 in words is "one hundred thirty million, nine hundred thirty-eight thousand, five hundred forty-four".