135793239 has 8 divisors (see below), whose sum is σ = 181125360. Its totient is φ = 90494976.

The previous prime is 135793157. The next prime is 135793249. The reversal of 135793239 is 932397531.

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

It is not a de Polignac number, because 135793239 - 2⁸ = 135792983 is a prime.

It is a super-2 number, since 2×135793239² = 36879607516222242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135793239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135793249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (22640670).

Almost surely, 2^135793239 is an apocalyptic number.

135793239 is a deficient number, since it is larger than the sum of its proper divisors (45332121).

135793239 is a wasteful number, since it uses less digits than its factorization.

135793239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929.

The product of its digits is 153090, while the sum is 42.

The square root of 135793239 is about 11653.0356130924. The cubic root of 135793239 is about 513.9955777401.

The spelling of 135793239 in words is "one hundred thirty-five million, seven hundred ninety-three thousand, two hundred thirty-nine".