135773 has 4 divisors (see below), whose sum is σ = 148128. Its totient is φ = 123420.

The previous prime is 135757. The next prime is 135781. The reversal of 135773 is 377531.

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 not a de Polignac number, because 135773 - 2⁴ = 135757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135773.

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 3 ways as a sum of consecutive naturals, for example, 6161 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (37032).

2¹³⁵⁷⁷³ is an apocalyptic number.

It is an amenable number.

135773 is a deficient number, since it is larger than the sum of its proper divisors (12355).

135773 is a wasteful number, since it uses less digits than its factorization.

135773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354.

The product of its digits is 2205, while the sum is 26.

The square root of 135773 is about 368.4738796713. The cubic root of 135773 is about 51.3970040697.

The spelling of 135773 in words is "one hundred thirty-five thousand, seven hundred seventy-three".