131325757 has 4 divisors (see below), whose sum is σ = 132195616. Its totient is φ = 130455900.

The previous prime is 131325751. The next prime is 131325763. The reversal of 131325757 is 757523131.

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 an interprime number because it is at equal distance from previous prime (131325751) and next prime (131325763).

It is a cyclic number.

It is not a de Polignac number, because 131325757 - 2³ = 131325749 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 (131325751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434703 + ... + 435004.

It is an arithmetic number, because the mean of its divisors is an integer number (33048904).

Almost surely, 2^131325757 is an apocalyptic number.

It is an amenable number.

131325757 is a deficient number, since it is larger than the sum of its proper divisors (869859).

131325757 is an equidigital number, since it uses as much as digits as its factorization.

131325757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869858.

The product of its digits is 22050, while the sum is 34.

The square root of 131325757 is about 11459.7450669725. The cubic root of 131325757 is about 508.2959362855.

Adding to 131325757 its reverse (757523131), we get a palindrome (888848888).

The spelling of 131325757 in words is "one hundred thirty-one million, three hundred twenty-five thousand, seven hundred fifty-seven".