135042393 has 8 divisors (see below), whose sum is σ = 180498400. Its totient is φ = 89807328.

The previous prime is 135042331. The next prime is 135042461. The reversal of 135042393 is 393240531.

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

It is not a de Polignac number, because 135042393 - 2¹⁰ = 135041369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135042393.

It is not an unprimeable number, because it can be changed into a prime (135042893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53803 + ... + 56256.

It is an arithmetic number, because the mean of its divisors is an integer number (22562300).

Almost surely, 2^135042393 is an apocalyptic number.

It is an amenable number.

135042393 is a deficient number, since it is larger than the sum of its proper divisors (45456007).

135042393 is a wasteful number, since it uses less digits than its factorization.

135042393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110471.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 135042393 is about 11620.7741996822. The cubic root of 135042393 is about 513.0464754280.

The spelling of 135042393 in words is "one hundred thirty-five million, forty-two thousand, three hundred ninety-three".