130008040 has 32 divisors (see below), whose sum is σ = 293469480. Its totient is φ = 51834112.

The previous prime is 130008037. The next prime is 130008041. The reversal of 130008040 is 40800031.

It can be written as a sum of positive squares in 4 ways, for example, as 43480836 + 86527204 = 6594^2 + 9302^2 .

It is not an unprimeable number, because it can be changed into a prime (130008041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7554 + ... + 17806.

Almost surely, 2^130008040 is an apocalyptic number.

130008040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130008040 is an abundant number, since it is smaller than the sum of its proper divisors (163461440).

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

130008040 is a wasteful number, since it uses less digits than its factorization.

130008040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581 (or 10577 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 130008040 is about 11402.1068228639. The cubic root of 130008040 is about 506.5901450302.

Adding to 130008040 its reverse (40800031), we get a palindrome (170808071).

The spelling of 130008040 in words is "one hundred thirty million, eight thousand, forty".