131577067 has 2 divisors, whose sum is σ = 131577068. Its totient is φ = 131577066.

The previous prime is 131577049. The next prime is 131577091. The reversal of 131577067 is 760775131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131577067 - 2¹⁵ = 131544299 is a prime.

It is not a weakly prime, because it can be changed into another prime (131577007) 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 as a sum of consecutive naturals, namely, 65788533 + 65788534.

It is an arithmetic number, because the mean of its divisors is an integer number (65788534).

Almost surely, 2^131577067 is an apocalyptic number.

131577067 is a deficient number, since it is larger than the sum of its proper divisors (1).

131577067 is an equidigital number, since it uses as much as digits as its factorization.

131577067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 131577067 is about 11470.7047298760. The cubic root of 131577067 is about 508.6199612104.

The spelling of 131577067 in words is "one hundred thirty-one million, five hundred seventy-seven thousand, sixty-seven".