130509140 has 12 divisors (see below), whose sum is σ = 274069236. Its totient is φ = 52203648.

The previous prime is 130509133. The next prime is 130509167. The reversal of 130509140 is 41905031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67338436 + 63170704 = 8206^2 + 7948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262709 + ... + 3262748.

It is an arithmetic number, because the mean of its divisors is an integer number (22839103).

Almost surely, 2^130509140 is an apocalyptic number.

130509140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130509140 is an abundant number, since it is smaller than the sum of its proper divisors (143560096).

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

130509140 is a wasteful number, since it uses less digits than its factorization.

130509140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525466 (or 6525464 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 130509140 is about 11424.0596987236. The cubic root of 130509140 is about 507.2401737278.

The spelling of 130509140 in words is "one hundred thirty million, five hundred nine thousand, one hundred forty".