135039328 has 12 divisors (see below), whose sum is σ = 265858740. Its totient is φ = 67519648.

The previous prime is 135039301. The next prime is 135039329. The reversal of 135039328 is 823930531.

It is a junction number, because it is equal to n+sod(n) for n = 135039293 and 135039302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135039329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109958 + ... + 2110021.

It is an arithmetic number, because the mean of its divisors is an integer number (22154895).

Almost surely, 2^135039328 is an apocalyptic number.

It is an amenable number.

135039328 is a deficient number, since it is larger than the sum of its proper divisors (130819412).

135039328 is an equidigital number, since it uses as much as digits as its factorization.

135039328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219989 (or 4219981 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 135039328 is about 11620.6423230388. The cubic root of 135039328 is about 513.0425939324.

Adding to 135039328 its reverse (823930531), we get a palindrome (958969859).

The spelling of 135039328 in words is "one hundred thirty-five million, thirty-nine thousand, three hundred twenty-eight".