131330705765 has 32 divisors (see below), whose sum is σ = 183913900800. Its totient is φ = 89992873152.

The previous prime is 131330705747. The next prime is 131330705789. The reversal of 131330705765 is 567507033131.

It is not a de Polignac number, because 131330705765 - 2¹⁶ = 131330640229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2517527 + ... + 2569163.

It is an arithmetic number, because the mean of its divisors is an integer number (5747309400).

Almost surely, 2^131330705765 is an apocalyptic number.

It is an amenable number.

131330705765 is a deficient number, since it is larger than the sum of its proper divisors (52583195035).

131330705765 is an equidigital number, since it uses as much as digits as its factorization.

131330705765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53146 (or 53132 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 41.

Adding to 131330705765 its reverse (567507033131), we get a palindrome (698837738896).

The spelling of 131330705765 in words is "one hundred thirty-one billion, three hundred thirty million, seven hundred five thousand, seven hundred sixty-five".