131375763820 has 48 divisors (see below), whose sum is σ = 317570238720. Its totient is φ = 44719061184.

The previous prime is 131375763793. The next prime is 131375763823. The reversal of 131375763820 is 28367573131.

It is not an unprimeable number, because it can be changed into a prime (131375763823) 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 15 ways as a sum of consecutive naturals, for example, 3356074 + ... + 3394993.

It is an arithmetic number, because the mean of its divisors is an integer number (6616046640).

Almost surely, 2^131375763820 is an apocalyptic number.

131375763820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131375763820 is an abundant number, since it is smaller than the sum of its proper divisors (186194474900).

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

131375763820 is a wasteful number, since it uses less digits than its factorization.

131375763820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751222 (or 6751220 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 131375763820 in words is "one hundred thirty-one billion, three hundred seventy-five million, seven hundred sixty-three thousand, eight hundred twenty".