130280740 has 48 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 49132160.

The previous prime is 130280729. The next prime is 130280747. The reversal of 130280740 is 47082031.

It is not an unprimeable number, because it can be changed into a prime (130280747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30666 + ... + 34654.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2^130280740 is an apocalyptic number.

130280740 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 130280740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144789120).

130280740 is an abundant number, since it is smaller than the sum of its proper divisors (159297500).

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

130280740 is a wasteful number, since it uses less digits than its factorization.

130280740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092 (or 4090 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 130280740 is about 11414.0588749139. The cubic root of 130280740 is about 506.9440991759.

Subtracting from 130280740 its product of nonzero digits (1344), we obtain a square (130279396 = 11414²).

The spelling of 130280740 in words is "one hundred thirty million, two hundred eighty thousand, seven hundred forty".