135747 has 6 divisors (see below), whose sum is σ = 196092. Its totient is φ = 90492.

The previous prime is 135743. The next prime is 135757. The reversal of 135747 is 747531.

It is not a de Polignac number, because 135747 - 2² = 135743 is a prime.

It is an Ulam number.

135747 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 135747.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135747.

It is not an unprimeable number, because it can be changed into a prime (135743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7533 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (32682).

2¹³⁵⁷⁴⁷ is an apocalyptic number.

135747 is a deficient number, since it is larger than the sum of its proper divisors (60345).

135747 is a wasteful number, since it uses less digits than its factorization.

135747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15089 (or 15086 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 135747 is about 368.4385973266. The cubic root of 135747 is about 51.3937230850.

The spelling of 135747 in words is "one hundred thirty-five thousand, seven hundred forty-seven".