130557340 has 24 divisors (see below), whose sum is σ = 277477200. Its totient is φ = 51593088.

The previous prime is 130557319. The next prime is 130557431. The reversal of 130557340 is 43755031.

It is a junction number, because it is equal to n+sod(n) for n = 130557299 and 130557308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37665 + ... + 40984.

It is an arithmetic number, because the mean of its divisors is an integer number (11561550).

Almost surely, 2^130557340 is an apocalyptic number.

130557340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130557340 is an abundant number, since it is smaller than the sum of its proper divisors (146919860).

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

130557340 is a wasteful number, since it uses less digits than its factorization.

130557340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78741 (or 78739 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 130557340 is about 11426.1690867937. The cubic root of 130557340 is about 507.3026111610.

The spelling of 130557340 in words is "one hundred thirty million, five hundred fifty-seven thousand, three hundred forty".