135255730 has 16 divisors (see below), whose sum is σ = 247587840. Its totient is φ = 53185072.

The previous prime is 135255713. The next prime is 135255749. The reversal of 135255730 is 37552531.

135255730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135255730² = 36588224995665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135255692 and 135255701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114034 + ... + 115213.

It is an arithmetic number, because the mean of its divisors is an integer number (15474240).

Almost surely, 2^135255730 is an apocalyptic number.

135255730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135255730 is a deficient number, since it is larger than the sum of its proper divisors (112332110).

135255730 is a wasteful number, since it uses less digits than its factorization.

135255730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229313.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 135255730 is about 11629.9496989454. The cubic root of 135255730 is about 513.3164997947.

The spelling of 135255730 in words is "one hundred thirty-five million, two hundred fifty-five thousand, seven hundred thirty".