135085471 has 2 divisors, whose sum is σ = 135085472. Its totient is φ = 135085470.

The previous prime is 135085453. The next prime is 135085477. The reversal of 135085471 is 174580531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135085471 - 2⁹ = 135084959 is a prime.

It is a super-3 number, since 3×135085471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135085477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67542735 + 67542736.

It is an arithmetic number, because the mean of its divisors is an integer number (67542736).

Almost surely, 2^135085471 is an apocalyptic number.

135085471 is a deficient number, since it is larger than the sum of its proper divisors (1).

135085471 is an equidigital number, since it uses as much as digits as its factorization.

135085471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 135085471 is about 11622.6275428579. The cubic root of 135085471 is about 513.1010229073.

The spelling of 135085471 in words is "one hundred thirty-five million, eighty-five thousand, four hundred seventy-one".