130007345 has 8 divisors (see below), whose sum is σ = 168009576. Its totient is φ = 96005376.

The previous prime is 130007341. The next prime is 130007359. The reversal of 130007345 is 543700031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6974881 + 123032464 = 2641^2 + 11092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130007345 - 2² = 130007341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130007345.

It is not an unprimeable number, because it can be changed into a prime (130007341) 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, 999992 + ... + 1000121.

It is an arithmetic number, because the mean of its divisors is an integer number (21001197).

Almost surely, 2^130007345 is an apocalyptic number.

It is an amenable number.

130007345 is a deficient number, since it is larger than the sum of its proper divisors (38002231).

130007345 is a wasteful number, since it uses less digits than its factorization.

130007345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000131.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 130007345 is about 11402.0763459994. The cubic root of 130007345 is about 506.5892423148.

Adding to 130007345 its reverse (543700031), we get a palindrome (673707376).

The spelling of 130007345 in words is "one hundred thirty million, seven thousand, three hundred forty-five".