135687733 has 2 divisors, whose sum is σ = 135687734. Its totient is φ = 135687732.

The previous prime is 135687719. The next prime is 135687763. The reversal of 135687733 is 337786531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133679844 + 2007889 = 11562^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 135687733 - 2⁵ = 135687701 is a prime.

It is a super-2 number, since 2×135687733² = 36822321773358578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135687733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135687763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67843866 + 67843867.

It is an arithmetic number, because the mean of its divisors is an integer number (67843867).

Almost surely, 2^135687733 is an apocalyptic number.

It is an amenable number.

135687733 is a deficient number, since it is larger than the sum of its proper divisors (1).

135687733 is an equidigital number, since it uses as much as digits as its factorization.

135687733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 135687733 is about 11648.5077585071. The cubic root of 135687733 is about 513.8624251407.

The spelling of 135687733 in words is "one hundred thirty-five million, six hundred eighty-seven thousand, seven hundred thirty-three".