135084840 has 64 divisors (see below), whose sum is σ = 442100160. Its totient is φ = 32747520.

The previous prime is 135084827. The next prime is 135084857. The reversal of 135084840 is 48480531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 49849 + ... + 52488.

It is an arithmetic number, because the mean of its divisors is an integer number (6907815).

Almost surely, 2^135084840 is an apocalyptic number.

135084840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135084840 is an abundant number, since it is smaller than the sum of its proper divisors (307015320).

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

135084840 is a wasteful number, since it uses less digits than its factorization.

135084840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102362 (or 102358 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 135084840 is about 11622.6003975014. The cubic root of 135084840 is about 513.1002239878.

The spelling of 135084840 in words is "one hundred thirty-five million, eighty-four thousand, eight hundred forty".