135152439 has 8 divisors (see below), whose sum is σ = 188038272. Its totient is φ = 86184120.

The previous prime is 135152429. The next prime is 135152471. The reversal of 135152439 is 934251531.

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

It is not a de Polignac number, because 135152439 - 2²⁰ = 134103863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135152429) 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, 979297 + ... + 979434.

It is an arithmetic number, because the mean of its divisors is an integer number (23504784).

Almost surely, 2^135152439 is an apocalyptic number.

135152439 is a deficient number, since it is larger than the sum of its proper divisors (52885833).

135152439 is a wasteful number, since it uses less digits than its factorization.

135152439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958757.

The product of its digits is 16200, while the sum is 33.

The square root of 135152439 is about 11625.5081179276. The cubic root of 135152439 is about 513.1857980561.

The spelling of 135152439 in words is "one hundred thirty-five million, one hundred fifty-two thousand, four hundred thirty-nine".