130491648 has 360 divisors, whose sum is σ = 474862080. Its totient is φ = 34836480.

The previous prime is 130491607. The next prime is 130491701. The reversal of 130491648 is 846194031.

130491648 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 9 + 1 + 648 = 666.

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 (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4209393 + ... + 4209423.

Almost surely, 2^130491648 is an apocalyptic number.

130491648 is a gapful number since it is divisible by the number (18) 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 130491648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237431040).

130491648 is an abundant number, since it is smaller than the sum of its proper divisors (344370432).

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

130491648 is an equidigital number, since it uses as much as digits as its factorization.

130491648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 130491648 is about 11423.2940958377. The cubic root of 130491648 is about 507.2175110965.

The spelling of 130491648 in words is "one hundred thirty million, four hundred ninety-one thousand, six hundred forty-eight".