130656448 has 56 divisors (see below), whose sum is σ = 284579568. Its totient is φ = 59145216.

The previous prime is 130656443. The next prime is 130656469. The reversal of 130656448 is 844656031.

It is a happy number.

It is a super-2 number, since 2×130656448² = 34142214807953408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130656443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42615 + ... + 45577.

It is an arithmetic number, because the mean of its divisors is an integer number (5081778).

Almost surely, 2^130656448 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 130656448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142289784).

130656448 is an abundant number, since it is smaller than the sum of its proper divisors (153923120).

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

130656448 is a wasteful number, since it uses less digits than its factorization.

130656448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 130656448 is about 11430.5051506922. The cubic root of 130656448 is about 507.4309456546.

The spelling of 130656448 in words is "one hundred thirty million, six hundred fifty-six thousand, four hundred forty-eight".