135482881 has 2 divisors, whose sum is σ = 135482882. Its totient is φ = 135482880.

The previous prime is 135482873. The next prime is 135482887. The reversal of 135482881 is 188284531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 65610000 = 8359^2 + 8100^2 .

It is an emirp because it is prime and its reverse (188284531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135482881 - 2³ = 135482873 is a prime.

It is a super-2 number, since 2×135482881² = 36711222088120322, which contains 22 as substring.

It is equal to p_7671289 and since 135482881 and 7671289 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135482887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67741440 + 67741441.

It is an arithmetic number, because the mean of its divisors is an integer number (67741441).

Almost surely, 2^135482881 is an apocalyptic number.

It is an amenable number.

135482881 is a deficient number, since it is larger than the sum of its proper divisors (1).

135482881 is an equidigital number, since it uses as much as digits as its factorization.

135482881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 40.

The square root of 135482881 is about 11639.7113795833. The cubic root of 135482881 is about 513.6036968534.

The spelling of 135482881 in words is "one hundred thirty-five million, four hundred eighty-two thousand, eight hundred eighty-one".