135802637 has 2 divisors, whose sum is σ = 135802638. Its totient is φ = 135802636.

The previous prime is 135802631. The next prime is 135802657. The reversal of 135802637 is 736208531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131010916 + 4791721 = 11446^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 135802637 - 2¹⁴ = 135786253 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135802597 and 135802606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135802631) 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, 67901318 + 67901319.

It is an arithmetic number, because the mean of its divisors is an integer number (67901319).

Almost surely, 2^135802637 is an apocalyptic number.

It is an amenable number.

135802637 is a deficient number, since it is larger than the sum of its proper divisors (1).

135802637 is an equidigital number, since it uses as much as digits as its factorization.

135802637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 135802637 is about 11653.4388486833. The cubic root of 135802637 is about 514.0074350290.

The spelling of 135802637 in words is "one hundred thirty-five million, eight hundred two thousand, six hundred thirty-seven".