130645559 has 4 divisors (see below), whose sum is σ = 142522440. Its totient is φ = 118768680.

The previous prime is 130645531. The next prime is 130645601. The reversal of 130645559 is 955546031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955546031 = 11 ⋅86867821.

It is a cyclic number.

It is not a de Polignac number, because 130645559 - 2²⁰ = 129596983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130645519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5938424 + ... + 5938445.

It is an arithmetic number, because the mean of its divisors is an integer number (35630610).

Almost surely, 2^130645559 is an apocalyptic number.

130645559 is a deficient number, since it is larger than the sum of its proper divisors (11876881).

130645559 is a wasteful number, since it uses less digits than its factorization.

130645559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876880.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 130645559 is about 11430.0288276102. The cubic root of 130645559 is about 507.4168487127.

The spelling of 130645559 in words is "one hundred thirty million, six hundred forty-five thousand, five hundred fifty-nine".