131533879839 has 32 divisors (see below), whose sum is σ = 185422176000. Its totient is φ = 82708521984.

The previous prime is 131533879823. The next prime is 131533879861. The reversal of 131533879839 is 938978335131.

It is not a de Polignac number, because 131533879839 - 2⁴ = 131533879823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131533869839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41504847 + ... + 41508015.

It is an arithmetic number, because the mean of its divisors is an integer number (5794443000).

Almost surely, 2^131533879839 is an apocalyptic number.

131533879839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131533879839 is a deficient number, since it is larger than the sum of its proper divisors (53888296161).

131533879839 is a wasteful number, since it uses less digits than its factorization.

131533879839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167.

The product of its digits is 14696640, while the sum is 60.

The spelling of 131533879839 in words is "one hundred thirty-one billion, five hundred thirty-three million, eight hundred seventy-nine thousand, eight hundred thirty-nine".