131819956995 has 16 divisors (see below), whose sum is σ = 211098771360. Its totient is φ = 70241697024.

The previous prime is 131819956967. The next prime is 131819957021. The reversal of 131819956995 is 599659918131.

It is not a de Polignac number, because 131819956995 - 2²⁶ = 131752848131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3875004 + ... + 3908873.

It is an arithmetic number, because the mean of its divisors is an integer number (13193673210).

Almost surely, 2^131819956995 is an apocalyptic number.

131819956995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131819956995 is a deficient number, since it is larger than the sum of its proper divisors (79278814365).

131819956995 is a wasteful number, since it uses less digits than its factorization.

131819956995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785014.

The product of its digits is 23619600, while the sum is 66.

The spelling of 131819956995 in words is "one hundred thirty-one billion, eight hundred nineteen million, nine hundred fifty-six thousand, nine hundred ninety-five".