135037138 has 8 divisors (see below), whose sum is σ = 202658940. Its totient is φ = 67484160.

The previous prime is 135037109. The next prime is 135037139. The reversal of 135037138 is 831730531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132089049 + 2948089 = 11493^2 + 1717^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135037139) 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, 11983 + ... + 20338.

Almost surely, 2^135037138 is an apocalyptic number.

135037138 is a deficient number, since it is larger than the sum of its proper divisors (67621802).

135037138 is a wasteful number, since it uses less digits than its factorization.

135037138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34412.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 135037138 is about 11620.5480937863. The cubic root of 135037138 is about 513.0398204951.

Adding to 135037138 its reverse (831730531), we get a palindrome (966767669).

The spelling of 135037138 in words is "one hundred thirty-five million, thirty-seven thousand, one hundred thirty-eight".