130785616 has 40 divisors (see below), whose sum is σ = 275093504. Its totient is φ = 59875200.

The previous prime is 130785601. The next prime is 130785617. The reversal of 130785616 is 616587031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130785617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23941 + ... + 28891.

Almost surely, 2^130785616 is an apocalyptic number.

130785616 is a gapful number since it is divisible by the number (16) 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 130785616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137546752).

130785616 is an abundant number, since it is smaller than the sum of its proper divisors (144307888).

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

130785616 is a wasteful number, since it uses less digits than its factorization.

130785616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 130785616 is about 11436.1538989295. The cubic root of 130785616 is about 507.5981073324.

The spelling of 130785616 in words is "one hundred thirty million, seven hundred eighty-five thousand, six hundred sixteen".