135754081 has 2 divisors, whose sum is σ = 135754082. Its totient is φ = 135754080.

The previous prime is 135754067. The next prime is 135754093. The reversal of 135754081 is 180457531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125641681 + 10112400 = 11209^2 + 3180^2 .

It is an emirp because it is prime and its reverse (180457531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135754081 - 2⁷ = 135753953 is a prime.

It is a super-2 number, since 2×135754081² = 36858341016309122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135754181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67877040 + 67877041.

It is an arithmetic number, because the mean of its divisors is an integer number (67877041).

Almost surely, 2^135754081 is an apocalyptic number.

It is an amenable number.

135754081 is a deficient number, since it is larger than the sum of its proper divisors (1).

135754081 is an equidigital number, since it uses as much as digits as its factorization.

135754081 is an evil number, because the sum of its binary digits is even.

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

The square root of 135754081 is about 11651.3553288877. The cubic root of 135754081 is about 513.9461669006.

The spelling of 135754081 in words is "one hundred thirty-five million, seven hundred fifty-four thousand, eighty-one".