131435741 has 2 divisors, whose sum is σ = 131435742. Its totient is φ = 131435740.

The previous prime is 131435723. The next prime is 131435761. The reversal of 131435741 is 147534131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 9796900 = 11029^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 131435741 - 2⁶ = 131435677 is a prime.

It is a Chen prime.

It is equal to p_7455053 and since 131435741 and 7455053 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131435701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717870 + 65717871.

It is an arithmetic number, because the mean of its divisors is an integer number (65717871).

Almost surely, 2^131435741 is an apocalyptic number.

It is an amenable number.

131435741 is a deficient number, since it is larger than the sum of its proper divisors (1).

131435741 is an equidigital number, since it uses as much as digits as its factorization.

131435741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 131435741 is about 11464.5427732640. The cubic root of 131435741 is about 508.4377942686.

Adding to 131435741 its reverse (147534131), we get a palindrome (278969872).

The spelling of 131435741 in words is "one hundred thirty-one million, four hundred thirty-five thousand, seven hundred forty-one".