135422784 has 84 divisors (see below), whose sum is σ = 443630304. Its totient is φ = 38691072.

The previous prime is 135422743. The next prime is 135422789. The reversal of 135422784 is 487224531.

It is a happy number.

135422784 is a `hidden beast` number, since 1 + 354 + 227 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135422789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12762 + ... + 20825.

Almost surely, 2^135422784 is an apocalyptic number.

135422784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135422784 is an abundant number, since it is smaller than the sum of its proper divisors (308207520).

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

135422784 is a wasteful number, since it uses less digits than its factorization.

135422784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33612 (or 33599 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 135422784 is about 11637.1295429758. The cubic root of 135422784 is about 513.5277448067.

The spelling of 135422784 in words is "one hundred thirty-five million, four hundred twenty-two thousand, seven hundred eighty-four".