135057071 has 4 divisors (see below), whose sum is σ = 135084600. Its totient is φ = 135029544.

The previous prime is 135057047. The next prime is 135057079. The reversal of 135057071 is 170750531.

135057071 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.

It is a cyclic number.

It is not a de Polignac number, because 135057071 - 2¹⁴ = 135040687 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 (135057079) 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, 4181 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (33771150).

Almost surely, 2^135057071 is an apocalyptic number.

135057071 is a deficient number, since it is larger than the sum of its proper divisors (27529).

135057071 is an equidigital number, since it uses as much as digits as its factorization.

135057071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27528.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 135057071 is about 11621.4057239217. The cubic root of 135057071 is about 513.0650627352.

The spelling of 135057071 in words is "one hundred thirty-five million, fifty-seven thousand, seventy-one".