130304040 has 32 divisors (see below), whose sum is σ = 390912480. Its totient is φ = 34747712.

The previous prime is 130304017. The next prime is 130304063. The reversal of 130304040 is 40403031.

It is an interprime number because it is at equal distance from previous prime (130304017) and next prime (130304063).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542814 + ... + 543053.

It is an arithmetic number, because the mean of its divisors is an integer number (12216015).

Almost surely, 2^130304040 is an apocalyptic number.

130304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130304040 is an abundant number, since it is smaller than the sum of its proper divisors (260608440).

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

130304040 is a wasteful number, since it uses less digits than its factorization.

130304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085881 (or 1085877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130304040 is about 11415.0795003802. The cubic root of 130304040 is about 506.9743187705.

Adding to 130304040 its reverse (40403031), we get a palindrome (170707071).

The spelling of 130304040 in words is "one hundred thirty million, three hundred four thousand, forty".