7138343 has 2 divisors, whose sum is σ = 7138344. Its totient is φ = 7138342.

The previous prime is 7138337. The next prime is 7138363. The reversal of 7138343 is 3438317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7138343 - 2⁶ = 7138279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569171 + 3569172.

It is an arithmetic number, because the mean of its divisors is an integer number (3569172).

Almost surely, 2^7138343 is an apocalyptic number.

7138343 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138343 is an equidigital number, since it uses as much as digits as its factorization.

7138343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 7138343 is about 2671.7677668540. The cubic root of 7138343 is about 192.5450999069.

The spelling of 7138343 in words is "seven million, one hundred thirty-eight thousand, three hundred forty-three".