131753618787 has 24 divisors (see below), whose sum is σ = 204366206736. Its totient is φ = 75282751488.

The previous prime is 131753618783. The next prime is 131753618819. The reversal of 131753618787 is 787816357131.

It is not a de Polignac number, because 131753618787 - 2² = 131753618783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131753618783) 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 23 ways as a sum of consecutive naturals, for example, 4291363 + ... + 4321955.

It is an arithmetic number, because the mean of its divisors is an integer number (8515258614).

Almost surely, 2^131753618787 is an apocalyptic number.

131753618787 is a deficient number, since it is larger than the sum of its proper divisors (72612587949).

131753618787 is a wasteful number, since it uses less digits than its factorization.

131753618787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59907 (or 59900 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 57.

The spelling of 131753618787 in words is "one hundred thirty-one billion, seven hundred fifty-three million, six hundred eighteen thousand, seven hundred eighty-seven".