135357871 has 4 divisors (see below), whose sum is σ = 147663144. Its totient is φ = 123052600.

The previous prime is 135357869. The next prime is 135357883. The reversal of 135357871 is 178753531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135357871 - 2¹ = 135357869 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 (135357371) 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 3 ways as a sum of consecutive naturals, for example, 6152620 + ... + 6152641.

It is an arithmetic number, because the mean of its divisors is an integer number (36915786).

Almost surely, 2^135357871 is an apocalyptic number.

135357871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135357871 is a deficient number, since it is larger than the sum of its proper divisors (12305273).

135357871 is a wasteful number, since it uses less digits than its factorization.

135357871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12305272.

The product of its digits is 88200, while the sum is 40.

The square root of 135357871 is about 11634.3401617797. The cubic root of 135357871 is about 513.4456809346.

The spelling of 135357871 in words is "one hundred thirty-five million, three hundred fifty-seven thousand, eight hundred seventy-one".