135639214 has 8 divisors (see below), whose sum is σ = 214167240. Its totient is φ = 64250136.

The previous prime is 135639197. The next prime is 135639239. The reversal of 135639214 is 412936531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 135639214.

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, 1784689 + ... + 1784764.

It is an arithmetic number, because the mean of its divisors is an integer number (26770905).

Almost surely, 2^135639214 is an apocalyptic number.

135639214 is a deficient number, since it is larger than the sum of its proper divisors (78528026).

135639214 is a wasteful number, since it uses less digits than its factorization.

135639214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569474.

The product of its digits is 19440, while the sum is 34.

The square root of 135639214 is about 11646.4249450207. The cubic root of 135639214 is about 513.8011691407.

The spelling of 135639214 in words is "one hundred thirty-five million, six hundred thirty-nine thousand, two hundred fourteen".