135378814 has 8 divisors (see below), whose sum is σ = 203151960. Its totient is φ = 67661496.

The previous prime is 135378811. The next prime is 135378827. The reversal of 135378814 is 418873531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135378811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7249 + ... + 17980.

It is an arithmetic number, because the mean of its divisors is an integer number (25393995).

Almost surely, 2^135378814 is an apocalyptic number.

135378814 is a deficient number, since it is larger than the sum of its proper divisors (67773146).

135378814 is a wasteful number, since it uses less digits than its factorization.

135378814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27914.

The product of its digits is 80640, while the sum is 40.

The square root of 135378814 is about 11635.2401780109. The cubic root of 135378814 is about 513.4721602182.

The spelling of 135378814 in words is "one hundred thirty-five million, three hundred seventy-eight thousand, eight hundred fourteen".