131745823489 has 8 divisors (see below), whose sum is σ = 150574753728. Its totient is φ = 112918917840.

The previous prime is 131745823477. The next prime is 131745823537. The reversal of 131745823489 is 984328547131.

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 131745823489 - 2³¹ = 129598339841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131745821489) 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, 364042 + ... + 629299.

It is an arithmetic number, because the mean of its divisors is an integer number (18821844216).

Almost surely, 2^131745823489 is an apocalyptic number.

It is an amenable number.

131745823489 is a deficient number, since it is larger than the sum of its proper divisors (18828930239).

131745823489 is an equidigital number, since it uses as much as digits as its factorization.

131745823489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012295.

The product of its digits is 5806080, while the sum is 55.

The spelling of 131745823489 in words is "one hundred thirty-one billion, seven hundred forty-five million, eight hundred twenty-three thousand, four hundred eighty-nine".