135248042 has 16 divisors (see below), whose sum is σ = 216561600. Its totient is φ = 63161280.

The previous prime is 135248017. The next prime is 135248059. The reversal of 135248042 is 240842531.

It is a happy number.

135248042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135247996 and 135248014.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22367 + ... + 27762.

It is an arithmetic number, because the mean of its divisors is an integer number (13535100).

Almost surely, 2^135248042 is an apocalyptic number.

135248042 is a deficient number, since it is larger than the sum of its proper divisors (81313558).

135248042 is a wasteful number, since it uses less digits than its factorization.

135248042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50221.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 135248042 is about 11629.6191683133. The cubic root of 135248042 is about 513.3067738924.

It can be divided in two parts, 1352 and 48042, that added together give a palindrome (49394).

The spelling of 135248042 in words is "one hundred thirty-five million, two hundred forty-eight thousand, forty-two".