131958228992 has 108 divisors (see below), whose sum is σ = 276615214785. Its totient is φ = 62929625088.

The previous prime is 131958228979. The next prime is 131958229033. The reversal of 131958228992 is 299822859131.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 124287271936 + 7670957056 = 352544^2 + 87584^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=256864.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 378103634 + ... + 378103982.

Almost surely, 2^131958228992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131958228992

131958228992 is an abundant number, since it is smaller than the sum of its proper divisors (144656985793).

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

131958228992 is an frugal number, since it uses more digits than its factorization.

131958228992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 374 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The spelling of 131958228992 in words is "one hundred thirty-one billion, nine hundred fifty-eight million, two hundred twenty-eight thousand, nine hundred ninety-two".