131346757 has 4 divisors (see below), whose sum is σ = 132349536. Its totient is φ = 130343980.

The previous prime is 131346751. The next prime is 131346769. The reversal of 131346757 is 757643131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131346757 - 2³ = 131346749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131346751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501193 + ... + 501454.

It is an arithmetic number, because the mean of its divisors is an integer number (33087384).

Almost surely, 2^131346757 is an apocalyptic number.

It is an amenable number.

131346757 is a deficient number, since it is larger than the sum of its proper divisors (1002779).

131346757 is a wasteful number, since it uses less digits than its factorization.

131346757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002778.

The product of its digits is 52920, while the sum is 37.

The square root of 131346757 is about 11460.6612810954. The cubic root of 131346757 is about 508.3230283199.

Adding to 131346757 its reverse (757643131), we get a palindrome (888989888).

It can be divided in two parts, 13134 and 6757, that added together give a palindrome (19891).

The spelling of 131346757 in words is "one hundred thirty-one million, three hundred forty-six thousand, seven hundred fifty-seven".