130502780 has 24 divisors (see below), whose sum is σ = 274270752. Its totient is φ = 52160192.

The previous prime is 130502767. The next prime is 130502783. The reversal of 130502780 is 87205031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130502783) 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, 47114 + ... + 49806.

It is an arithmetic number, because the mean of its divisors is an integer number (11427948).

Almost surely, 2^130502780 is an apocalyptic number.

130502780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130502780 is an abundant number, since it is smaller than the sum of its proper divisors (143767972).

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

130502780 is a wasteful number, since it uses less digits than its factorization.

130502780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 130502780 is about 11423.7813354423. The cubic root of 130502780 is about 507.2319339475.

The spelling of 130502780 in words is "one hundred thirty million, five hundred two thousand, seven hundred eighty".