135103638 has 16 divisors (see below), whose sum is σ = 270461376. Its totient is φ = 44992200.

The previous prime is 135103627. The next prime is 135103643. The reversal of 135103638 is 836301531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3288 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (16903836).

Almost surely, 2^135103638 is an apocalyptic number.

135103638 is an abundant number, since it is smaller than the sum of its proper divisors (135357738).

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

135103638 is a wasteful number, since it uses less digits than its factorization.

135103638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21179.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 135103638 is about 11623.4090524252. The cubic root of 135103638 is about 513.1240233785.

The spelling of 135103638 in words is "one hundred thirty-five million, one hundred three thousand, six hundred thirty-eight".