130780000 has 120 divisors (see below), whose sum is σ = 347176368. Its totient is φ = 48192000.

The previous prime is 130779989. The next prime is 130780003. The reversal of 130780000 is 87031.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 130780000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130780003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259749 + ... + 260251.

Almost surely, 2^130780000 is an apocalyptic number.

130780000 is a gapful number since it is divisible by the number (10) 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 130780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173588184).

130780000 is an abundant number, since it is smaller than the sum of its proper divisors (216396368).

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

130780000 is an equidigital number, since it uses as much as digits as its factorization.

130780000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 130780000 is about 11435.9083591991. The cubic root of 130780000 is about 507.5908417226.

The spelling of 130780000 in words is "one hundred thirty million, seven hundred eighty thousand".