131444627155 has 4 divisors (see below), whose sum is σ = 157733552592. Its totient is φ = 105155701720.

The previous prime is 131444627141. The next prime is 131444627161. The reversal of 131444627155 is 551726444131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131444627155 - 2¹⁷ = 131444496083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13144462711 + ... + 13144462720.

It is an arithmetic number, because the mean of its divisors is an integer number (39433388148).

Almost surely, 2^131444627155 is an apocalyptic number.

131444627155 is a deficient number, since it is larger than the sum of its proper divisors (26288925437).

131444627155 is an equidigital number, since it uses as much as digits as its factorization.

131444627155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26288925436.

The product of its digits is 403200, while the sum is 43.

The spelling of 131444627155 in words is "one hundred thirty-one billion, four hundred forty-four million, six hundred twenty-seven thousand, one hundred fifty-five".