131575751 has 2 divisors, whose sum is σ = 131575752. Its totient is φ = 131575750.

The previous prime is 131575681. The next prime is 131575757. The reversal of 131575751 is 157575131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131575751 - 2¹⁰ = 131574727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131575757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65787875 + 65787876.

It is an arithmetic number, because the mean of its divisors is an integer number (65787876).

Almost surely, 2^131575751 is an apocalyptic number.

131575751 is a deficient number, since it is larger than the sum of its proper divisors (1).

131575751 is an equidigital number, since it uses as much as digits as its factorization.

131575751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18375, while the sum is 35.

The square root of 131575751 is about 11470.6473662126. The cubic root of 131575751 is about 508.6182655094.

The spelling of 131575751 in words is "one hundred thirty-one million, five hundred seventy-five thousand, seven hundred fifty-one".