135803018 has 16 divisors (see below), whose sum is σ = 220294536. Its totient is φ = 62415360.

The previous prime is 135802957. The next prime is 135803039. The reversal of 135803018 is 810308531.

It can be written as a sum of positive squares in 4 ways, for example, as 133934329 + 1868689 = 11573^2 + 1367^2 .

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, 4571 + ... + 17102.

Almost surely, 2^135803018 is an apocalyptic number.

135803018 is a deficient number, since it is larger than the sum of its proper divisors (84491518).

135803018 is a wasteful number, since it uses less digits than its factorization.

135803018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21929.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 135803018 is about 11653.4551957778. The cubic root of 135803018 is about 514.0079157184.

The spelling of 135803018 in words is "one hundred thirty-five million, eight hundred three thousand, eighteen".