1341400243 has 2 divisors, whose sum is σ = 1341400244. Its totient is φ = 1341400242.

The previous prime is 1341400189. The next prime is 1341400253. The reversal of 1341400243 is 3420041431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1341400243 - 2²⁵ = 1307845811 is a prime.

It is a super-2 number, since 2×1341400243² = 3598709223840918098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1341400253) 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, 670700121 + 670700122.

It is an arithmetic number, because the mean of its divisors is an integer number (670700122).

Almost surely, 2^1341400243 is an apocalyptic number.

1341400243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341400243 is an equidigital number, since it uses as much as digits as its factorization.

1341400243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1341400243 is about 36625.1313035189. The cubic root of 1341400243 is about 1102.8576505000.

Adding to 1341400243 its reverse (3420041431), we get a palindrome (4761441674).

The spelling of 1341400243 in words is "one billion, three hundred forty-one million, four hundred thousand, two hundred forty-three".