135055920 has 160 divisors (see below), whose sum is σ = 438329088. Its totient is φ = 34366464.

The previous prime is 135055919. The next prime is 135055937. The reversal of 135055920 is 29550531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594847 + ... + 595073.

Almost surely, 2^135055920 is an apocalyptic number.

135055920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135055920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219164544).

135055920 is an abundant number, since it is smaller than the sum of its proper divisors (303273168).

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

135055920 is a wasteful number, since it uses less digits than its factorization.

135055920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 135055920 is about 11621.3562031288. The cubic root of 135055920 is about 513.0636052290.

The spelling of 135055920 in words is "one hundred thirty-five million, fifty-five thousand, nine hundred twenty".