135547361 has 2 divisors, whose sum is σ = 135547362. Its totient is φ = 135547360.

The previous prime is 135547351. The next prime is 135547381. The reversal of 135547361 is 163745531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 21911761 = 10660^2 + 4681^2 .

It is an emirp because it is prime and its reverse (163745531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135547361 - 2⁶ = 135547297 is a prime.

It is not a weakly prime, because it can be changed into another prime (135547301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67773680 + 67773681.

It is an arithmetic number, because the mean of its divisors is an integer number (67773681).

Almost surely, 2^135547361 is an apocalyptic number.

It is an amenable number.

135547361 is a deficient number, since it is larger than the sum of its proper divisors (1).

135547361 is an equidigital number, since it uses as much as digits as its factorization.

135547361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 135547361 is about 11642.4808782321. The cubic root of 135547361 is about 513.6851632687.

The spelling of 135547361 in words is "one hundred thirty-five million, five hundred forty-seven thousand, three hundred sixty-one".