135166141 has 4 divisors (see below), whose sum is σ = 147453984. Its totient is φ = 122878300.

The previous prime is 135166139. The next prime is 135166159. The reversal of 135166141 is 141661531.

135166141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135166141 - 2¹ = 135166139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135166121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6143905 + ... + 6143926.

It is an arithmetic number, because the mean of its divisors is an integer number (36863496).

Almost surely, 2^135166141 is an apocalyptic number.

135166141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135166141 is a deficient number, since it is larger than the sum of its proper divisors (12287843).

135166141 is a wasteful number, since it uses less digits than its factorization.

135166141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287842.

The product of its digits is 2160, while the sum is 28.

The square root of 135166141 is about 11626.0974105673. The cubic root of 135166141 is about 513.2031400398.

The spelling of 135166141 in words is "one hundred thirty-five million, one hundred sixty-six thousand, one hundred forty-one".