130639259 has 4 divisors (see below), whose sum is σ = 130671216. Its totient is φ = 130607304.

The previous prime is 130639217. The next prime is 130639277. The reversal of 130639259 is 952936031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952936031 = 83 ⋅11481157.

It is a cyclic number.

It is not a de Polignac number, because 130639259 - 2²⁰ = 129590683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130639279) 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, 8759 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (32667804).

Almost surely, 2^130639259 is an apocalyptic number.

130639259 is a deficient number, since it is larger than the sum of its proper divisors (31957).

130639259 is an equidigital number, since it uses as much as digits as its factorization.

130639259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31956.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 130639259 is about 11429.7532344316. The cubic root of 130639259 is about 507.4086923504.

It can be divided in two parts, 13063 and 9259, that added together give a palindrome (22322).

The spelling of 130639259 in words is "one hundred thirty million, six hundred thirty-nine thousand, two hundred fifty-nine".