135715 has 4 divisors (see below), whose sum is σ = 162864. Its totient is φ = 108568.

The previous prime is 135701. The next prime is 135719. The reversal of 135715 is 517531.

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 135715 - 2¹⁷ = 4643 is a prime.

It is a super-2 number, since 2×135715² = 36837122450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135719) 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, 13567 + ... + 13576.

It is an arithmetic number, because the mean of its divisors is an integer number (40716).

2¹³⁵⁷¹⁵ is an apocalyptic number.

135715 is a deficient number, since it is larger than the sum of its proper divisors (27149).

135715 is an equidigital number, since it uses as much as digits as its factorization.

135715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27148.

The product of its digits is 525, while the sum is 22.

The square root of 135715 is about 368.3951682636. The cubic root of 135715 is about 51.3896843748.

The spelling of 135715 in words is "one hundred thirty-five thousand, seven hundred fifteen".