135454549 has 2 divisors, whose sum is σ = 135454550. Its totient is φ = 135454548.

The previous prime is 135454547. The next prime is 135454597. The reversal of 135454549 is 945454531.

135454549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122544900 + 12909649 = 11070^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 135454549 - 2¹ = 135454547 is a prime.

Together with 135454547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135454547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67727274 + 67727275.

It is an arithmetic number, because the mean of its divisors is an integer number (67727275).

Almost surely, 2^135454549 is an apocalyptic number.

It is an amenable number.

135454549 is a deficient number, since it is larger than the sum of its proper divisors (1).

135454549 is an equidigital number, since it uses as much as digits as its factorization.

135454549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 135454549 is about 11638.4942754636. The cubic root of 135454549 is about 513.5678929833.

The spelling of 135454549 in words is "one hundred thirty-five million, four hundred fifty-four thousand, five hundred forty-nine".