135382243 has 2 divisors, whose sum is σ = 135382244. Its totient is φ = 135382242.

The previous prime is 135382217. The next prime is 135382253. The reversal of 135382243 is 342283531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135382243 is a prime.

It is a super-2 number, since 2×135382243² = 36656703439422098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135382253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67691121 + 67691122.

It is an arithmetic number, because the mean of its divisors is an integer number (67691122).

Almost surely, 2^135382243 is an apocalyptic number.

135382243 is a deficient number, since it is larger than the sum of its proper divisors (1).

135382243 is an equidigital number, since it uses as much as digits as its factorization.

135382243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 135382243 is about 11635.3875311482. The cubic root of 135382243 is about 513.4764954144.

The spelling of 135382243 in words is "one hundred thirty-five million, three hundred eighty-two thousand, two hundred forty-three".