130512534 has 32 divisors (see below), whose sum is σ = 273659904. Its totient is φ = 41416320.

The previous prime is 130512533. The next prime is 130512563. The reversal of 130512534 is 435215031.

It is a super-2 number, since 2×130512534² = 34067043062202312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130512533) 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 15 ways as a sum of consecutive naturals, for example, 28654 + ... + 32894.

It is an arithmetic number, because the mean of its divisors is an integer number (8551872).

Almost surely, 2^130512534 is an apocalyptic number.

130512534 is an abundant number, since it is smaller than the sum of its proper divisors (143147370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130512534 is a wasteful number, since it uses less digits than its factorization.

130512534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 130512534 is about 11424.2082439003. The cubic root of 130512534 is about 507.2445707589.

Adding to 130512534 its reverse (435215031), we get a palindrome (565727565).

The spelling of 130512534 in words is "one hundred thirty million, five hundred twelve thousand, five hundred thirty-four".