135042420135 has 16 divisors (see below), whose sum is σ = 246934711296. Its totient is φ = 61733677728.

The previous prime is 135042420077. The next prime is 135042420137. The reversal of 135042420135 is 531024240531.

It is not a de Polignac number, because 135042420135 - 2⁹ = 135042419623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135042420137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643059039 + ... + 643059248.

It is an arithmetic number, because the mean of its divisors is an integer number (15433419456).

Almost surely, 2^135042420135 is an apocalyptic number.

135042420135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135042420135 is a deficient number, since it is larger than the sum of its proper divisors (111892291161).

135042420135 is a wasteful number, since it uses less digits than its factorization.

135042420135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286118302.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 135042420135 its reverse (531024240531), we get a palindrome (666066660666).

The spelling of 135042420135 in words is "one hundred thirty-five billion, forty-two million, four hundred twenty thousand, one hundred thirty-five".