135346243 has 2 divisors, whose sum is σ = 135346244. Its totient is φ = 135346242.

The previous prime is 135346213. The next prime is 135346247. The reversal of 135346243 is 342643531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135346243 - 2²¹ = 133249091 is a prime.

It is not a weakly prime, because it can be changed into another prime (135346247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67673121 + 67673122.

It is an arithmetic number, because the mean of its divisors is an integer number (67673122).

Almost surely, 2^135346243 is an apocalyptic number.

135346243 is a deficient number, since it is larger than the sum of its proper divisors (1).

135346243 is an equidigital number, since it uses as much as digits as its factorization.

135346243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 135346243 is about 11633.8404235231. The cubic root of 135346243 is about 513.4309778927.

Adding to 135346243 its reverse (342643531), we get a palindrome (477989774).

The spelling of 135346243 in words is "one hundred thirty-five million, three hundred forty-six thousand, two hundred forty-three".