135239534 has 8 divisors (see below), whose sum is σ = 204950928. Its totient is φ = 66922560.

The previous prime is 135239519. The next prime is 135239537. The reversal of 135239534 is 435932531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135239494 and 135239503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135239537) 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, 348362 + ... + 348749.

It is an arithmetic number, because the mean of its divisors is an integer number (25618866).

Almost surely, 2^135239534 is an apocalyptic number.

135239534 is a deficient number, since it is larger than the sum of its proper divisors (69711394).

135239534 is an equidigital number, since it uses as much as digits as its factorization.

135239534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697210.

The product of its digits is 48600, while the sum is 35.

The square root of 135239534 is about 11629.2533724225. The cubic root of 135239534 is about 513.2960101984.

The spelling of 135239534 in words is "one hundred thirty-five million, two hundred thirty-nine thousand, five hundred thirty-four".