1354144409 has 2 divisors, whose sum is σ = 1354144410. Its totient is φ = 1354144408.

The previous prime is 1354144403. The next prime is 1354144411. The reversal of 1354144409 is 9044414531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726140809 + 628003600 = 26947^2 + 25060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354144409 is a prime.

Together with 1354144411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1354144403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677072204 + 677072205.

It is an arithmetic number, because the mean of its divisors is an integer number (677072205).

Almost surely, 2^1354144409 is an apocalyptic number.

It is an amenable number.

1354144409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354144409 is an equidigital number, since it uses as much as digits as its factorization.

1354144409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1354144409 is about 36798.7011863191. The cubic root of 1354144409 is about 1106.3392670621.

The spelling of 1354144409 in words is "one billion, three hundred fifty-four million, one hundred forty-four thousand, four hundred nine".