130520535 has 16 divisors (see below), whose sum is σ = 210003840. Its totient is φ = 69220640.

The previous prime is 130520531. The next prime is 130520549. The reversal of 130520535 is 535025031.

It is not a de Polignac number, because 130520535 - 2² = 130520531 is a prime.

It is a super-2 number, since 2×130520535² = 34071220113372450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130520531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21621 + ... + 26990.

It is an arithmetic number, because the mean of its divisors is an integer number (13125240).

Almost surely, 2^130520535 is an apocalyptic number.

130520535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130520535 is a deficient number, since it is larger than the sum of its proper divisors (79483305).

130520535 is a wasteful number, since it uses less digits than its factorization.

130520535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48798.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 130520535 is about 11424.5584159739. The cubic root of 130520535 is about 507.2549359980.

Adding to 130520535 its reverse (535025031), we get a palindrome (665545566).

The spelling of 130520535 in words is "one hundred thirty million, five hundred twenty thousand, five hundred thirty-five".