135311471 has 2 divisors, whose sum is σ = 135311472. Its totient is φ = 135311470.

The previous prime is 135311447. The next prime is 135311503. The reversal of 135311471 is 174113531.

It is a weak prime.

It is an emirp because it is prime and its reverse (174113531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135311471 - 2¹⁰ = 135310447 is a prime.

It is a super-3 number, since 3×135311471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135311471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135311971) 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, 67655735 + 67655736.

It is an arithmetic number, because the mean of its divisors is an integer number (67655736).

Almost surely, 2^135311471 is an apocalyptic number.

135311471 is a deficient number, since it is larger than the sum of its proper divisors (1).

135311471 is an equidigital number, since it uses as much as digits as its factorization.

135311471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 135311471 is about 11632.3458941006. The cubic root of 135311471 is about 513.3870053605.

The spelling of 135311471 in words is "one hundred thirty-five million, three hundred eleven thousand, four hundred seventy-one".