130340540 has 48 divisors (see below), whose sum is σ = 311592960. Its totient is φ = 45334080.

The previous prime is 130340537. The next prime is 130340543. The reversal of 130340540 is 45043031.

It is an interprime number because it is at equal distance from previous prime (130340537) and next prime (130340543).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130340543) 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, 7820 + ... + 17939.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 2^130340540 is an apocalyptic number.

130340540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130340540 is an abundant number, since it is smaller than the sum of its proper divisors (181252420).

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

130340540 is a wasteful number, since it uses less digits than its factorization.

130340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802 (or 25800 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130340540 is about 11416.6781508458. The cubic root of 130340540 is about 507.0216512377.

Adding to 130340540 its reverse (45043031), we get a palindrome (175383571).

The spelling of 130340540 in words is "one hundred thirty million, three hundred forty thousand, five hundred forty".