130513505 has 8 divisors (see below), whose sum is σ = 165829032. Its totient is φ = 98268928.

The previous prime is 130513499. The next prime is 130513511. The reversal of 130513505 is 505315031.

It is an interprime number because it is at equal distance from previous prime (130513499) and next prime (130513511).

It can be written as a sum of positive squares in 4 ways, for example, as 69689104 + 60824401 = 8348^2 + 7799^2 .

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 130513505 - 2¹² = 130509409 is a prime.

It is a Duffinian number.

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, 767642 + ... + 767811.

It is an arithmetic number, because the mean of its divisors is an integer number (20728629).

Almost surely, 2^130513505 is an apocalyptic number.

It is an amenable number.

130513505 is a deficient number, since it is larger than the sum of its proper divisors (35315527).

130513505 is a wasteful number, since it uses less digits than its factorization.

130513505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535475.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 130513505 is about 11424.2507412959. The cubic root of 130513505 is about 507.2458287051.

Adding to 130513505 its reverse (505315031), we get a palindrome (635828536).

The spelling of 130513505 in words is "one hundred thirty million, five hundred thirteen thousand, five hundred five".