131598807612 has 24 divisors (see below), whose sum is σ = 307169740416. Its totient is φ = 43851146928.

The previous prime is 131598807611. The next prime is 131598807619. The reversal of 131598807612 is 216708895131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131598807611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853998 + ... + 1923669.

It is an arithmetic number, because the mean of its divisors is an integer number (12798739184).

Almost surely, 2^131598807612 is an apocalyptic number.

131598807612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131598807612 is an abundant number, since it is smaller than the sum of its proper divisors (175570932804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131598807612 is a wasteful number, since it uses less digits than its factorization.

131598807612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780577 (or 3780575 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 131598807612 in words is "one hundred thirty-one billion, five hundred ninety-eight million, eight hundred seven thousand, six hundred twelve".