131817583581158 has 8 divisors (see below), whose sum is σ = 209357338628952. Its totient is φ = 62031804038176.

The previous prime is 131817583581091. The next prime is 131817583581179. The reversal of 131817583581158 is 851185385718131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131817583581094 and 131817583581103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938493876160 + ... + 1938493876227.

It is an arithmetic number, because the mean of its divisors is an integer number (26169667328619).

Almost surely, 2^{131817583581158} is an apocalyptic number.

131817583581158 is a deficient number, since it is larger than the sum of its proper divisors (77539755047794).

131817583581158 is a wasteful number, since it uses less digits than its factorization.

131817583581158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876987752406.

The product of its digits is 32256000, while the sum is 65.

The spelling of 131817583581158 in words is "one hundred thirty-one trillion, eight hundred seventeen billion, five hundred eighty-three million, five hundred eighty-one thousand, one hundred fifty-eight".