135590641 has 2 divisors, whose sum is σ = 135590642. Its totient is φ = 135590640.

The previous prime is 135590639. The next prime is 135590701. The reversal of 135590641 is 146095531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 3225616 = 11505^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 135590641 - 2¹ = 135590639 is a prime.

Together with 135590639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 135590597 and 135590606.

It is not a weakly prime, because it can be changed into another prime (135590041) 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, 67795320 + 67795321.

It is an arithmetic number, because the mean of its divisors is an integer number (67795321).

Almost surely, 2^135590641 is an apocalyptic number.

It is an amenable number.

135590641 is a deficient number, since it is larger than the sum of its proper divisors (1).

135590641 is an equidigital number, since it uses as much as digits as its factorization.

135590641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 135590641 is about 11644.3394402602. The cubic root of 135590641 is about 513.7398303309.

The spelling of 135590641 in words is "one hundred thirty-five million, five hundred ninety thousand, six hundred forty-one".