130520534 has 16 divisors (see below), whose sum is σ = 201883968. Its totient is φ = 63240192.

The previous prime is 130520531. The next prime is 130520549. The reversal of 130520534 is 435025031.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15587 + ... + 22449.

It is an arithmetic number, because the mean of its divisors is an integer number (12617748).

Almost surely, 2^130520534 is an apocalyptic number.

130520534 is a deficient number, since it is larger than the sum of its proper divisors (71363434).

130520534 is a wasteful number, since it uses less digits than its factorization.

130520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130520534 is about 11424.5583722085. The cubic root of 130520534 is about 507.2549347025.

Adding to 130520534 its reverse (435025031), we get a palindrome (565545565).

The spelling of 130520534 in words is "one hundred thirty million, five hundred twenty thousand, five hundred thirty-four".