135239235 has 8 divisors (see below), whose sum is σ = 216382800. Its totient is φ = 72127584.

The previous prime is 135239213. The next prime is 135239239. The reversal of 135239235 is 532932531.

It is a happy number.

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

It is not a de Polignac number, because 135239235 - 2²² = 131044931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135239196 and 135239205.

It is not an unprimeable number, because it can be changed into a prime (135239239) 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, 4507960 + ... + 4507989.

It is an arithmetic number, because the mean of its divisors is an integer number (27047850).

Almost surely, 2^135239235 is an apocalyptic number.

135239235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135239235 is a deficient number, since it is larger than the sum of its proper divisors (81143565).

135239235 is an equidigital number, since it uses as much as digits as its factorization.

135239235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015957.

The product of its digits is 24300, while the sum is 33.

The square root of 135239235 is about 11629.2405169039. The cubic root of 135239235 is about 513.2956319175.

The spelling of 135239235 in words is "one hundred thirty-five million, two hundred thirty-nine thousand, two hundred thirty-five".