135038045 has 4 divisors (see below), whose sum is σ = 162045660. Its totient is φ = 108030432.

The previous prime is 135038041. The next prime is 135038063. The reversal of 135038045 is 540830531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540830531 = 4079 ⋅132589.

It can be written as a sum of positive squares in 2 ways, for example, as 35557369 + 99480676 = 5963^2 + 9974^2 .

It is a cyclic number.

It is not a de Polignac number, because 135038045 - 2² = 135038041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135037999 and 135038017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135038041) 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, 13503800 + ... + 13503809.

It is an arithmetic number, because the mean of its divisors is an integer number (40511415).

Almost surely, 2^135038045 is an apocalyptic number.

It is an amenable number.

135038045 is a deficient number, since it is larger than the sum of its proper divisors (27007615).

135038045 is an equidigital number, since it uses as much as digits as its factorization.

135038045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27007614.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 135038045 is about 11620.5871194187. The cubic root of 135038045 is about 513.0409691323.

Adding to 135038045 its reverse (540830531), we get a palindrome (675868576).

The spelling of 135038045 in words is "one hundred thirty-five million, thirty-eight thousand, forty-five".