131099469557 has 8 divisors (see below), whose sum is σ = 154661125632. Its totient is φ = 108746103600.

The previous prime is 131099469503. The next prime is 131099469617. The reversal of 131099469557 is 755964990131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131099469557 - 2⁶ = 131099469493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131099469496 and 131099469505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131099469157) 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 7 ways as a sum of consecutive naturals, for example, 302072294 + ... + 302072727.

It is an arithmetic number, because the mean of its divisors is an integer number (19332640704).

Almost surely, 2^131099469557 is an apocalyptic number.

It is an amenable number.

131099469557 is a deficient number, since it is larger than the sum of its proper divisors (23561656075).

131099469557 is an equidigital number, since it uses as much as digits as its factorization.

131099469557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604145059.

The product of its (nonzero) digits is 9185400, while the sum is 59.

The spelling of 131099469557 in words is "one hundred thirty-one billion, ninety-nine million, four hundred sixty-nine thousand, five hundred fifty-seven".