135447733 has 2 divisors, whose sum is σ = 135447734. Its totient is φ = 135447732.

The previous prime is 135447731. The next prime is 135447797. The reversal of 135447733 is 337744531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92505924 + 42941809 = 9618^2 + 6553^2 .

It is a cyclic number.

It is not a de Polignac number, because 135447733 - 2¹ = 135447731 is a prime.

Together with 135447731, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 135447692 and 135447701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135447731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67723866 + 67723867.

It is an arithmetic number, because the mean of its divisors is an integer number (67723867).

Almost surely, 2^135447733 is an apocalyptic number.

It is an amenable number.

135447733 is a deficient number, since it is larger than the sum of its proper divisors (1).

135447733 is an equidigital number, since it uses as much as digits as its factorization.

135447733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 37.

The square root of 135447733 is about 11638.2014503960. The cubic root of 135447733 is about 513.5592786855.

The spelling of 135447733 in words is "one hundred thirty-five million, four hundred forty-seven thousand, seven hundred thirty-three".