130661048 has 64 divisors (see below), whose sum is σ = 302616000. Its totient is φ = 52684800.

The previous prime is 130661009. The next prime is 130661051. The reversal of 130661048 is 840166031.

It is a self number, because there is not a number n which added to its sum of digits gives 130661048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45248 + ... + 48048.

It is an arithmetic number, because the mean of its divisors is an integer number (4728375).

Almost surely, 2^130661048 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 130661048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151308000).

130661048 is an abundant number, since it is smaller than the sum of its proper divisors (171954952).

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

130661048 is a wasteful number, since it uses less digits than its factorization.

130661048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 130661048 is about 11430.7063648753. The cubic root of 130661048 is about 507.4369005973.

The spelling of 130661048 in words is "one hundred thirty million, six hundred sixty-one thousand, forty-eight".