135946 has 8 divisors (see below), whose sum is σ = 206244. Its totient is φ = 67200.

The previous prime is 135937. The next prime is 135977. The reversal of 135946 is 649531.

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 5625 = 361^2 + 75^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

135946 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 in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 538.

2¹³⁵⁹⁴⁶ is an apocalyptic number.

135946 is a deficient number, since it is larger than the sum of its proper divisors (70298).

135946 is a wasteful number, since it uses less digits than its factorization.

135946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its digits is 3240, while the sum is 28.

The square root of 135946 is about 368.7085569932. The cubic root of 135946 is about 51.4188245785.

It can be divided in two parts, 135 and 946, that added together give a triangular number (1081 = T₄₆).

The spelling of 135946 in words is "one hundred thirty-five thousand, nine hundred forty-six".