1353140549 has 2 divisors, whose sum is σ = 1353140550. Its totient is φ = 1353140548.

The previous prime is 1353140533. The next prime is 1353140567. The reversal of 1353140549 is 9450413531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136903524 + 216237025 = 33718^2 + 14705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353140549 - 2⁴ = 1353140533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353149549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676570274 + 676570275.

It is an arithmetic number, because the mean of its divisors is an integer number (676570275).

Almost surely, 2^1353140549 is an apocalyptic number.

It is an amenable number.

1353140549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353140549 is an equidigital number, since it uses as much as digits as its factorization.

1353140549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1353140549 is about 36785.0587739098. The cubic root of 1353140549 is about 1106.0658141268.

The spelling of 1353140549 in words is "one billion, three hundred fifty-three million, one hundred forty thousand, five hundred forty-nine".