135922820 has 48 divisors (see below), whose sum is σ = 329712768. Its totient is φ = 46517760.

The previous prime is 135922819. The next prime is 135922873. The reversal of 135922820 is 28229531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14432 + ... + 21911.

It is an arithmetic number, because the mean of its divisors is an integer number (6869016).

Almost surely, 2^135922820 is an apocalyptic number.

135922820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135922820 is an abundant number, since it is smaller than the sum of its proper divisors (193789948).

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

135922820 is a wasteful number, since it uses less digits than its factorization.

135922820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36380 (or 36378 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 135922820 is about 11658.5942548834. The cubic root of 135922820 is about 514.1590195702.

The spelling of 135922820 in words is "one hundred thirty-five million, nine hundred twenty-two thousand, eight hundred twenty".