135439024 has 20 divisors (see below), whose sum is σ = 299900944. Its totient is φ = 58045248.

The previous prime is 135439021. The next prime is 135439037. The reversal of 135439024 is 420934531.

It is not an unprimeable number, because it can be changed into a prime (135439021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604527 + ... + 604750.

Almost surely, 2^135439024 is an apocalyptic number.

135439024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135439024 is an abundant number, since it is smaller than the sum of its proper divisors (164461920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135439024 is a wasteful number, since it uses less digits than its factorization.

135439024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209292 (or 1209286 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 135439024 is about 11637.8272886308. The cubic root of 135439024 is about 513.5482715280.

The spelling of 135439024 in words is "one hundred thirty-five million, four hundred thirty-nine thousand, twenty-four".