130235648 has 36 divisors (see below), whose sum is σ = 266030688. Its totient is φ = 63598080.

The previous prime is 130235647. The next prime is 130235653. The reversal of 130235648 is 846532031.

It is a super-2 number, since 2×130235648² = 33922648019959808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130235647) 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, 5093 + ... + 16923.

Almost surely, 2^130235648 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 130235648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133015344).

130235648 is an abundant number, since it is smaller than the sum of its proper divisors (135795040).

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

130235648 is an equidigital number, since it uses as much as digits as its factorization.

130235648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890 (or 11876 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 130235648 is about 11412.0834206555. The cubic root of 130235648 is about 506.8856055947.

Adding to 130235648 its reverse (846532031), we get a palindrome (976767679).

The spelling of 130235648 in words is "one hundred thirty million, two hundred thirty-five thousand, six hundred forty-eight".