135207038 has 4 divisors (see below), whose sum is σ = 202810560. Its totient is φ = 67603518.

The previous prime is 135207031. The next prime is 135207067. The reversal of 135207038 is 830702531.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135207038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135207031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33801758 + ... + 33801761.

It is an arithmetic number, because the mean of its divisors is an integer number (50702640).

Almost surely, 2^135207038 is an apocalyptic number.

135207038 is a deficient number, since it is larger than the sum of its proper divisors (67603522).

135207038 is an equidigital number, since it uses as much as digits as its factorization.

135207038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67603521.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 135207038 is about 11627.8561222609. The cubic root of 135207038 is about 513.2548945009.

Adding to 135207038 its reverse (830702531), we get a palindrome (965909569).

The spelling of 135207038 in words is "one hundred thirty-five million, two hundred seven thousand, thirty-eight".