135816920 has 16 divisors (see below), whose sum is σ = 305588160. Its totient is φ = 54326752.

The previous prime is 135816917. The next prime is 135816929. The reversal of 135816920 is 29618531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135816929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697672 + ... + 1697751.

It is an arithmetic number, because the mean of its divisors is an integer number (19099260).

Almost surely, 2^135816920 is an apocalyptic number.

135816920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135816920 is an abundant number, since it is smaller than the sum of its proper divisors (169771240).

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

135816920 is a wasteful number, since it uses less digits than its factorization.

135816920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395434 (or 3395430 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 135816920 is about 11654.0516559693. The cubic root of 135816920 is about 514.0254545878.

The spelling of 135816920 in words is "one hundred thirty-five million, eight hundred sixteen thousand, nine hundred twenty".