131485768199 has 4 divisors (see below), whose sum is σ = 131486513664. Its totient is φ = 131485022736.

The previous prime is 131485768187. The next prime is 131485768277. The reversal of 131485768199 is 991867584131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131485768199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131485768699) 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 3 ways as a sum of consecutive naturals, for example, 56954 + ... + 515960.

It is an arithmetic number, because the mean of its divisors is an integer number (32871628416).

Almost surely, 2^131485768199 is an apocalyptic number.

131485768199 is a deficient number, since it is larger than the sum of its proper divisors (745465).

131485768199 is an equidigital number, since it uses as much as digits as its factorization.

131485768199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745464.

The product of its digits is 13063680, while the sum is 62.

The spelling of 131485768199 in words is "one hundred thirty-one billion, four hundred eighty-five million, seven hundred sixty-eight thousand, one hundred ninety-nine".