135038138 has 16 divisors (see below), whose sum is σ = 207900000. Its totient is φ = 65759472.

The previous prime is 135038131. The next prime is 135038143. The reversal of 135038138 is 831830531.

It is not an unprimeable number, because it can be changed into a prime (135038131) 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, 7613 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (12993750).

Almost surely, 2^135038138 is an apocalyptic number.

135038138 is a deficient number, since it is larger than the sum of its proper divisors (72861862).

135038138 is a wasteful number, since it uses less digits than its factorization.

135038138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 135038138 is about 11620.5911209370. The cubic root of 135038138 is about 513.0410869085.

Adding to 135038138 its reverse (831830531), we get a palindrome (966868669).

The spelling of 135038138 in words is "one hundred thirty-five million, thirty-eight thousand, one hundred thirty-eight".