135986242 has 8 divisors (see below), whose sum is σ = 233119296. Its totient is φ = 58279812.

The previous prime is 135986239. The next prime is 135986251. The reversal of 135986242 is 242689531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135986195 and 135986204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4856638 + ... + 4856665.

It is an arithmetic number, because the mean of its divisors is an integer number (29139912).

Almost surely, 2^135986242 is an apocalyptic number.

135986242 is a deficient number, since it is larger than the sum of its proper divisors (97133054).

135986242 is an equidigital number, since it uses as much as digits as its factorization.

135986242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9713312.

The product of its digits is 103680, while the sum is 40.

The square root of 135986242 is about 11661.3139053882. The cubic root of 135986242 is about 514.2389765213.

The spelling of 135986242 in words is "one hundred thirty-five million, nine hundred eighty-six thousand, two hundred forty-two".