135205432 has 8 divisors (see below), whose sum is σ = 253510200. Its totient is φ = 67602712.

The previous prime is 135205429. The next prime is 135205451. The reversal of 135205432 is 234502531.

135205432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 135205397 and 135205406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450332 + ... + 8450347.

It is an arithmetic number, because the mean of its divisors is an integer number (31688775).

Almost surely, 2^135205432 is an apocalyptic number.

It is an amenable number.

135205432 is a deficient number, since it is larger than the sum of its proper divisors (118304768).

135205432 is a wasteful number, since it uses less digits than its factorization.

135205432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900685 (or 16900681 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135205432 is about 11627.7870637538. The cubic root of 135205432 is about 513.2528623320.

Adding to 135205432 its reverse (234502531), we get a palindrome (369707963).

The spelling of 135205432 in words is "one hundred thirty-five million, two hundred five thousand, four hundred thirty-two".