130643534 has 16 divisors (see below), whose sum is σ = 224322048. Its totient is φ = 55899672.

The previous prime is 130643497. The next prime is 130643537. The reversal of 130643534 is 435346031.

It is a junction number, because it is equal to n+sod(n) for n = 130643497 and 130643506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130643537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (14020128).

Almost surely, 2^130643534 is an apocalyptic number.

130643534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130643534 is a deficient number, since it is larger than the sum of its proper divisors (93678514).

130643534 is a wasteful number, since it uses less digits than its factorization.

130643534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 130643534 is about 11429.9402448132. The cubic root of 130643534 is about 507.4142270534.

Adding to 130643534 its reverse (435346031), we get a palindrome (565989565).

The spelling of 130643534 in words is "one hundred thirty million, six hundred forty-three thousand, five hundred thirty-four".