135240214 has 8 divisors (see below), whose sum is σ = 213537240. Its totient is φ = 64061136.

The previous prime is 135240199. The next prime is 135240221. The reversal of 135240214 is 412042531.

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

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, 1779439 + ... + 1779514.

It is an arithmetic number, because the mean of its divisors is an integer number (26692155).

Almost surely, 2^135240214 is an apocalyptic number.

135240214 is a deficient number, since it is larger than the sum of its proper divisors (78297026).

135240214 is a wasteful number, since it uses less digits than its factorization.

135240214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558974.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 135240214 is about 11629.2826090004. The cubic root of 135240214 is about 513.2968705009.

Adding to 135240214 its reverse (412042531), we get a palindrome (547282745).

The spelling of 135240214 in words is "one hundred thirty-five million, two hundred forty thousand, two hundred fourteen".