1346567149 has 2 divisors, whose sum is σ = 1346567150. Its totient is φ = 1346567148.

The previous prime is 1346567147. The next prime is 1346567171. The reversal of 1346567149 is 9417656431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345789225 + 777924 = 36685^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346567149 - 2¹ = 1346567147 is a prime.

Together with 1346567147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1346567099 and 1346567108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346567147) 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, 673283574 + 673283575.

It is an arithmetic number, because the mean of its divisors is an integer number (673283575).

Almost surely, 2^1346567149 is an apocalyptic number.

It is an amenable number.

1346567149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346567149 is an equidigital number, since it uses as much as digits as its factorization.

1346567149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 1346567149 is about 36695.6012213998. The cubic root of 1346567149 is about 1104.2718595199.

The spelling of 1346567149 in words is "one billion, three hundred forty-six million, five hundred sixty-seven thousand, one hundred forty-nine".