131548345959 has 4 divisors (see below), whose sum is σ = 175397794616. Its totient is φ = 87698897304.

The previous prime is 131548345927. The next prime is 131548345993. The reversal of 131548345959 is 959543845131.

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

It is not a de Polignac number, because 131548345959 - 2⁵ = 131548345927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131548345899 and 131548345908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131548345259) 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, 21924724324 + ... + 21924724329.

It is an arithmetic number, because the mean of its divisors is an integer number (43849448654).

Almost surely, 2^131548345959 is an apocalyptic number.

131548345959 is a deficient number, since it is larger than the sum of its proper divisors (43849448657).

131548345959 is an equidigital number, since it uses as much as digits as its factorization.

131548345959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43849448656.

The product of its digits is 11664000, while the sum is 57.

The spelling of 131548345959 in words is "one hundred thirty-one billion, five hundred forty-eight million, three hundred forty-five thousand, nine hundred fifty-nine".