135420830 has 16 divisors (see below), whose sum is σ = 248357664. Its totient is φ = 53146080.

The previous prime is 135420823. The next prime is 135420841. The reversal of 135420830 is 38024531.

It is a self number, because there is not a number n which added to its sum of digits gives 135420830.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127226 + ... + 128285.

It is an arithmetic number, because the mean of its divisors is an integer number (15522354).

Almost surely, 2^135420830 is an apocalyptic number.

135420830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135420830 is a deficient number, since it is larger than the sum of its proper divisors (112936834).

135420830 is a wasteful number, since it uses less digits than its factorization.

135420830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255571.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 135420830 is about 11637.0455872614. The cubic root of 135420830 is about 513.5252749169.

The spelling of 135420830 in words is "one hundred thirty-five million, four hundred twenty thousand, eight hundred thirty".