131371841977 has 8 divisors (see below), whose sum is σ = 131973214464. Its totient is φ = 130770579408.

The previous prime is 131371841971. The next prime is 131371842047. The reversal of 131371841977 is 779148173131.

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 131371841977 - 2⁷ = 131371841849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131371841971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3263223 + ... + 3303235.

It is an arithmetic number, because the mean of its divisors is an integer number (16496651808).

Almost surely, 2^131371841977 is an apocalyptic number.

It is an amenable number.

131371841977 is a deficient number, since it is larger than the sum of its proper divisors (601372487).

131371841977 is a wasteful number, since it uses less digits than its factorization.

131371841977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54959.

The product of its digits is 889056, while the sum is 52.

The spelling of 131371841977 in words is "one hundred thirty-one billion, three hundred seventy-one million, eight hundred forty-one thousand, nine hundred seventy-seven".