135830520 has 320 divisors, whose sum is σ = 536310720. Its totient is φ = 30191616.

The previous prime is 135830501. The next prime is 135830599. The reversal of 135830520 is 25038531.

135830520 is a `hidden beast` number, since 1 + 358 + 305 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 79 ways as a sum of consecutive naturals, for example, 1201984 + ... + 1202096.

It is an arithmetic number, because the mean of its divisors is an integer number (1675971).

Almost surely, 2^135830520 is an apocalyptic number.

135830520 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 135830520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268155360).

135830520 is an abundant number, since it is smaller than the sum of its proper divisors (400480200).

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

135830520 is a wasteful number, since it uses less digits than its factorization.

135830520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 135830520 is about 11654.6351294238. The cubic root of 135830520 is about 514.0426112937.

It can be divided in two parts, 1358 and 30520, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 135830520 in words is "one hundred thirty-five million, eight hundred thirty thousand, five hundred twenty".