130560642 has 96 divisors (see below), whose sum is σ = 306738432. Its totient is φ = 40061952.

The previous prime is 130560613. The next prime is 130560649. The reversal of 130560642 is 246065031.

130560642 is a `hidden beast` number, since 13 + 0 + 5 + 6 + 0 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (130560649) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1345938 + ... + 1346034.

It is an arithmetic number, because the mean of its divisors is an integer number (3195192).

Almost surely, 2^130560642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130560642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153369216).

130560642 is an abundant number, since it is smaller than the sum of its proper divisors (176177790).

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

130560642 is a wasteful number, since it uses less digits than its factorization.

130560642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 130560642 is about 11426.3135787532. The cubic root of 130560642 is about 507.3068879513.

The spelling of 130560642 in words is "one hundred thirty million, five hundred sixty thousand, six hundred forty-two".