130501644 has 96 divisors (see below), whose sum is σ = 378126336. Its totient is φ = 34110720.

The previous prime is 130501597. The next prime is 130501663. The reversal of 130501644 is 446105031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138214 + ... + 139154.

It is an arithmetic number, because the mean of its divisors is an integer number (3938816).

Almost surely, 2^130501644 is an apocalyptic number.

130501644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130501644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189063168).

130501644 is an abundant number, since it is smaller than the sum of its proper divisors (247624692).

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

130501644 is a wasteful number, since it uses less digits than its factorization.

130501644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 130501644 is about 11423.7316144945. The cubic root of 130501644 is about 507.2304621598.

Adding to 130501644 its reverse (446105031), we get a palindrome (576606675).

The spelling of 130501644 in words is "one hundred thirty million, five hundred one thousand, six hundred forty-four".