135218486 has 8 divisors (see below), whose sum is σ = 218429904. Its totient is φ = 62408520.

The previous prime is 135218467. The next prime is 135218519. The reversal of 135218486 is 684812531.

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

It is a super-2 number, since 2×135218486² = 36568077912264392, which contains 22 as substring.

It is a congruent number.

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, 2600330 + ... + 2600381.

It is an arithmetic number, because the mean of its divisors is an integer number (27303738).

Almost surely, 2^135218486 is an apocalyptic number.

135218486 is a deficient number, since it is larger than the sum of its proper divisors (83211418).

135218486 is a wasteful number, since it uses less digits than its factorization.

135218486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200726.

The product of its digits is 46080, while the sum is 38.

The square root of 135218486 is about 11628.3483779942. The cubic root of 135218486 is about 513.2693798815.

The spelling of 135218486 in words is "one hundred thirty-five million, two hundred eighteen thousand, four hundred eighty-six".