135903678 has 16 divisors (see below), whose sum is σ = 287796240. Its totient is φ = 42636416.

The previous prime is 135903673. The next prime is 135903689. The reversal of 135903678 is 876309531.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135903673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666093 + ... + 666296.

It is an arithmetic number, because the mean of its divisors is an integer number (17987265).

Almost surely, 2^135903678 is an apocalyptic number.

135903678 is an abundant number, since it is smaller than the sum of its proper divisors (151892562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135903678 is a wasteful number, since it uses less digits than its factorization.

135903678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332411.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 135903678 is about 11657.7732865243. The cubic root of 135903678 is about 514.1348821123.

The spelling of 135903678 in words is "one hundred thirty-five million, nine hundred three thousand, six hundred seventy-eight".