131355743 has 2 divisors, whose sum is σ = 131355744. Its totient is φ = 131355742.

The previous prime is 131355739. The next prime is 131355767. The reversal of 131355743 is 347553131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131355743 - 2² = 131355739 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 (131355733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65677871 + 65677872.

It is an arithmetic number, because the mean of its divisors is an integer number (65677872).

Almost surely, 2^131355743 is an apocalyptic number.

131355743 is a deficient number, since it is larger than the sum of its proper divisors (1).

131355743 is an equidigital number, since it uses as much as digits as its factorization.

131355743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 131355743 is about 11461.0533111054. The cubic root of 131355743 is about 508.3346202482.

The spelling of 131355743 in words is "one hundred thirty-one million, three hundred fifty-five thousand, seven hundred forty-three".