131113632239 has 4 divisors (see below), whose sum is σ = 131400533424. Its totient is φ = 130826731056.

The previous prime is 131113632173. The next prime is 131113632259. The reversal of 131113632239 is 932236311131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131113632239 - 2³² = 126818664943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131113632199 and 131113632208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113632259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143449907 + ... + 143450820.

It is an arithmetic number, because the mean of its divisors is an integer number (32850133356).

Almost surely, 2^131113632239 is an apocalyptic number.

131113632239 is a deficient number, since it is larger than the sum of its proper divisors (286901185).

131113632239 is an equidigital number, since it uses as much as digits as its factorization.

131113632239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286901184.

The product of its digits is 17496, while the sum is 35.

The spelling of 131113632239 in words is "one hundred thirty-one billion, one hundred thirteen million, six hundred thirty-two thousand, two hundred thirty-nine".