135728430 has 32 divisors (see below), whose sum is σ = 328800384. Its totient is φ = 35855136.

The previous prime is 135728429. The next prime is 135728443. The reversal of 135728430 is 34827531.

It is a junction number, because it is equal to n+sod(n) for n = 135728391 and 135728400.

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, 17932 + ... + 24351.

It is an arithmetic number, because the mean of its divisors is an integer number (10275012).

Almost surely, 2^135728430 is an apocalyptic number.

135728430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135728430 is an abundant number, since it is smaller than the sum of its proper divisors (193071954).

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

135728430 is a wasteful number, since it uses less digits than its factorization.

135728430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42400.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 135728430 is about 11650.2545036578. The cubic root of 135728430 is about 513.9137944827.

The spelling of 135728430 in words is "one hundred thirty-five million, seven hundred twenty-eight thousand, four hundred thirty".