135078408 has 64 divisors (see below), whose sum is σ = 387340800. Its totient is φ = 43571520.

The previous prime is 135078407. The next prime is 135078431. The reversal of 135078408 is 804870531.

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

It is not an unprimeable number, because it can be changed into a prime (135078401) by changing a digit.

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, 3391 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (6052200).

Almost surely, 2^135078408 is an apocalyptic number.

135078408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135078408 is an abundant number, since it is smaller than the sum of its proper divisors (252262392).

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

135078408 is a wasteful number, since it uses less digits than its factorization.

135078408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219 (or 20209 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 135078408 is about 11622.3236919301. The cubic root of 135078408 is about 513.0920801847.

The spelling of 135078408 in words is "one hundred thirty-five million, seventy-eight thousand, four hundred eight".