131330610765 has 240 divisors, whose sum is σ = 269081201664. Its totient is φ = 60951813120.

The previous prime is 131330610757. The next prime is 131330610767. The reversal of 131330610765 is 567016033131.

It is a happy number.

131330610765 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 30 + 610 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 131330610765 - 2³ = 131330610757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330610767) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 152178724 + ... + 152179586.

Almost surely, 2^131330610765 is an apocalyptic number.

131330610765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131330610765 is an abundant number, since it is smaller than the sum of its proper divisors (137750590899).

131330610765 is a wasteful number, since it uses less digits than its factorization.

131330610765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

Adding to 131330610765 its reverse (567016033131), we get a palindrome (698346643896).

The spelling of 131330610765 in words is "one hundred thirty-one billion, three hundred thirty million, six hundred ten thousand, seven hundred sixty-five".