1346141021 has 2 divisors, whose sum is σ = 1346141022. Its totient is φ = 1346141020.

The previous prime is 1346140997. The next prime is 1346141023. The reversal of 1346141021 is 1201416431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119638521 + 226502500 = 33461^2 + 15050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346141021 is a prime.

Together with 1346141023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346141023) 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, 673070510 + 673070511.

It is an arithmetic number, because the mean of its divisors is an integer number (673070511).

Almost surely, 2^1346141021 is an apocalyptic number.

It is an amenable number.

1346141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346141021 is an equidigital number, since it uses as much as digits as its factorization.

1346141021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1346141021 is about 36689.7945074649. The cubic root of 1346141021 is about 1104.1553630880.

Adding to 1346141021 its reverse (1201416431), we get a palindrome (2547557452).

The spelling of 1346141021 in words is "one billion, three hundred forty-six million, one hundred forty-one thousand, twenty-one".