135069553 has 2 divisors, whose sum is σ = 135069554. Its totient is φ = 135069552.

The previous prime is 135069551. The next prime is 135069563. The reversal of 135069553 is 355960531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87086224 + 47983329 = 9332^2 + 6927^2 .

It is an emirp because it is prime and its reverse (355960531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135069553 - 2¹ = 135069551 is a prime.

Together with 135069551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135069551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67534776 + 67534777.

It is an arithmetic number, because the mean of its divisors is an integer number (67534777).

Almost surely, 2^135069553 is an apocalyptic number.

It is an amenable number.

135069553 is a deficient number, since it is larger than the sum of its proper divisors (1).

135069553 is an equidigital number, since it uses as much as digits as its factorization.

135069553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 37.

The square root of 135069553 is about 11621.9427377698. The cubic root of 135069553 is about 513.0808681050.

The spelling of 135069553 in words is "one hundred thirty-five million, sixty-nine thousand, five hundred fifty-three".