130215505 has 16 divisors (see below), whose sum is σ = 181249920. Its totient is φ = 87956352.

The previous prime is 130215499. The next prime is 130215523. The reversal of 130215505 is 505512031.

It is a cyclic number.

It is not a de Polignac number, because 130215505 - 2³ = 130215497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25420 + ... + 30109.

It is an arithmetic number, because the mean of its divisors is an integer number (11328120).

Almost surely, 2^130215505 is an apocalyptic number.

It is an amenable number.

130215505 is a deficient number, since it is larger than the sum of its proper divisors (51034415).

130215505 is an equidigital number, since it uses as much as digits as its factorization.

130215505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55608.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 130215505 is about 11411.2008570527. The cubic root of 130215505 is about 506.8594716257.

Adding to 130215505 its reverse (505512031), we get a palindrome (635727536).

It can be divided in two parts, 1302 and 15505, that added together give a 5-th power (16807 = 7⁵).

The spelling of 130215505 in words is "one hundred thirty million, two hundred fifteen thousand, five hundred five".