135205630 has 32 divisors (see below), whose sum is σ = 280615104. Its totient is φ = 45943296.

The previous prime is 135205621. The next prime is 135205643. The reversal of 135205630 is 36502531.

It is a happy number.

135205630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135205595 and 135205604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (8769222).

Almost surely, 2^135205630 is an apocalyptic number.

135205630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135205630 is an abundant number, since it is smaller than the sum of its proper divisors (145409474).

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

135205630 is a wasteful number, since it uses less digits than its factorization.

135205630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 135205630 is about 11627.7955778385. The cubic root of 135205630 is about 513.2531128743.

The spelling of 135205630 in words is "one hundred thirty-five million, two hundred five thousand, six hundred thirty".