131442774571 has 8 divisors (see below), whose sum is σ = 134656563888. Its totient is φ = 128229360000.

The previous prime is 131442774559. The next prime is 131442774587. The reversal of 131442774571 is 175477244131.

It is a happy number.

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 131442774571 - 2⁷ = 131442774443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131442774371) 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 7 ways as a sum of consecutive naturals, for example, 696951 + ... + 865231.

It is an arithmetic number, because the mean of its divisors is an integer number (16832070486).

Almost surely, 2^131442774571 is an apocalyptic number.

131442774571 is a deficient number, since it is larger than the sum of its proper divisors (3213789317).

131442774571 is a wasteful number, since it uses less digits than its factorization.

131442774571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187373.

The product of its digits is 658560, while the sum is 46.

The spelling of 131442774571 in words is "one hundred thirty-one billion, four hundred forty-two million, seven hundred seventy-four thousand, five hundred seventy-one".