135148553 has 2 divisors, whose sum is σ = 135148554. Its totient is φ = 135148552.

The previous prime is 135148543. The next prime is 135148567. The reversal of 135148553 is 355841531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112614544 + 22534009 = 10612^2 + 4747^2 .

It is an emirp because it is prime and its reverse (355841531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135148553 - 2¹⁶ = 135083017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (135148523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67574276 + 67574277.

It is an arithmetic number, because the mean of its divisors is an integer number (67574277).

Almost surely, 2^135148553 is an apocalyptic number.

It is an amenable number.

135148553 is a deficient number, since it is larger than the sum of its proper divisors (1).

135148553 is an equidigital number, since it uses as much as digits as its factorization.

135148553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 35.

The square root of 135148553 is about 11625.3409842464. The cubic root of 135148553 is about 513.1808795134.

The spelling of 135148553 in words is "one hundred thirty-five million, one hundred forty-eight thousand, five hundred fifty-three".