135225135449 has 2 divisors, whose sum is σ = 135225135450. Its totient is φ = 135225135448.

The previous prime is 135225135443. The next prime is 135225135469. The reversal of 135225135449 is 944531522531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83959119049 + 51266016400 = 289757^2 + 226420^2 .

It is a cyclic number.

It is not a de Polignac number, because 135225135449 - 2¹⁶ = 135225069913 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 (135225135443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67612567724 + 67612567725.

It is an arithmetic number, because the mean of its divisors is an integer number (67612567725).

Almost surely, 2^135225135449 is an apocalyptic number.

It is an amenable number.

135225135449 is a deficient number, since it is larger than the sum of its proper divisors (1).

135225135449 is an equidigital number, since it uses as much as digits as its factorization.

135225135449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The spelling of 135225135449 in words is "one hundred thirty-five billion, two hundred twenty-five million, one hundred thirty-five thousand, four hundred forty-nine".