135113239 has 8 divisors (see below), whose sum is σ = 137060000. Its totient is φ = 133179552.

The previous prime is 135113227. The next prime is 135113243. The reversal of 135113239 is 932311531.

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

It is a cyclic number.

It is not a de Polignac number, because 135113239 - 2¹¹ = 135111191 is a prime.

It is a super-2 number, since 2×135113239² = 36511174706142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135113219) 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, 18577 + ... + 24805.

It is an arithmetic number, because the mean of its divisors is an integer number (17132500).

Almost surely, 2^135113239 is an apocalyptic number.

135113239 is a deficient number, since it is larger than the sum of its proper divisors (1946761).

135113239 is a wasteful number, since it uses less digits than its factorization.

135113239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537.

The product of its digits is 2430, while the sum is 28.

The square root of 135113239 is about 11623.8220478464. The cubic root of 135113239 is about 513.1361779662.

The spelling of 135113239 in words is "one hundred thirty-five million, one hundred thirteen thousand, two hundred thirty-nine".