135922 has 4 divisors (see below), whose sum is σ = 203886. Its totient is φ = 67960.

The previous prime is 135913. The next prime is 135929. The reversal of 135922 is 229531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229531 = 89 ⋅2579.

It can be written as a sum of positive squares in only one way, i.e., 77841 + 58081 = 279^2 + 241^2 .

It is a super-3 number, since 3×135922³ = 7533391253392344, which contains 333 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 135893 and 135902.

It is not an unprimeable number, because it can be changed into a prime (135929) by changing a digit.

135922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33979 + ... + 33982.

2¹³⁵⁹²² is an apocalyptic number.

135922 is a deficient number, since it is larger than the sum of its proper divisors (67964).

135922 is an equidigital number, since it uses as much as digits as its factorization.

135922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67963.

The product of its digits is 540, while the sum is 22.

The square root of 135922 is about 368.6760095260. The cubic root of 135922 is about 51.4157985623.

The spelling of 135922 in words is "one hundred thirty-five thousand, nine hundred twenty-two".