130310040 has 128 divisors (see below), whose sum is σ = 455362560. Its totient is φ = 29213184.

The previous prime is 130310039. The next prime is 130310053. The reversal of 130310040 is 40013031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 130309998 and 130310025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43057 + ... + 45983.

It is an arithmetic number, because the mean of its divisors is an integer number (3557520).

Almost surely, 2^130310040 is an apocalyptic number.

130310040 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 130310040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227681280).

130310040 is an abundant number, since it is smaller than the sum of its proper divisors (325052520).

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

130310040 is a wasteful number, since it uses less digits than its factorization.

130310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130310040 is about 11415.3423076139. The cubic root of 130310040 is about 506.9821000570.

Adding to 130310040 its reverse (40013031), we get a palindrome (170323071).

The spelling of 130310040 in words is "one hundred thirty million, three hundred ten thousand, forty".