130780216 has 24 divisors (see below), whose sum is σ = 285248520. Its totient is φ = 56048496.

The previous prime is 130780193. The next prime is 130780217. The reversal of 130780216 is 612087031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130780217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166420 + ... + 167203.

It is an arithmetic number, because the mean of its divisors is an integer number (11885355).

Almost surely, 2^130780216 is an apocalyptic number.

It is an amenable number.

130780216 is an abundant number, since it is smaller than the sum of its proper divisors (154468304).

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

130780216 is a wasteful number, since it uses less digits than its factorization.

130780216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333643 (or 333632 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 130780216 is about 11435.9178031324. The cubic root of 130780216 is about 507.5911211730.

The spelling of 130780216 in words is "one hundred thirty million, seven hundred eighty thousand, two hundred sixteen".