131068757 has 4 divisors (see below), whose sum is σ = 131091660. Its totient is φ = 131045856.

The previous prime is 131068753. The next prime is 131068771. The reversal of 131068757 is 757860131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 72607441 + 58461316 = 8521^2 + 7646^2 .

It is a cyclic number.

It is not a de Polignac number, because 131068757 - 2² = 131068753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131068757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131068753) 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 3 ways as a sum of consecutive naturals, for example, 5369 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (32772915).

Almost surely, 2^131068757 is an apocalyptic number.

It is an amenable number.

131068757 is a deficient number, since it is larger than the sum of its proper divisors (22903).

131068757 is a wasteful number, since it uses less digits than its factorization.

131068757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22902.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 131068757 is about 11448.5264117265. The cubic root of 131068757 is about 507.9641471897.

The spelling of 131068757 in words is "one hundred thirty-one million, sixty-eight thousand, seven hundred fifty-seven".