135114181 has 8 divisors (see below), whose sum is σ = 143222040. Its totient is φ = 127024128.

The previous prime is 135114179. The next prime is 135114197. The reversal of 135114181 is 181411531.

It can be written as a sum of positive squares in 4 ways, for example, as 8213956 + 126900225 = 2866^2 + 11265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135114181 - 2¹ = 135114179 is a prime.

It is a super-2 number, since 2×135114181² = 36511683814601522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135114101) 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 in 7 ways as a sum of consecutive naturals, for example, 13215 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (17902755).

Almost surely, 2^135114181 is an apocalyptic number.

It is an amenable number.

135114181 is a deficient number, since it is larger than the sum of its proper divisors (8107859).

135114181 is a wasteful number, since it uses less digits than its factorization.

135114181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903.

The product of its digits is 480, while the sum is 25.

The square root of 135114181 is about 11623.8625680107. The cubic root of 135114181 is about 513.1373704799.

The spelling of 135114181 in words is "one hundred thirty-five million, one hundred fourteen thousand, one hundred eighty-one".