135478754 has 16 divisors (see below), whose sum is σ = 205844928. Its totient is φ = 66869712.

The previous prime is 135478747. The next prime is 135478771. The reversal of 135478754 is 457874531.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 7 ways as a sum of consecutive naturals, for example, 49859 + ... + 52505.

It is an arithmetic number, because the mean of its divisors is an integer number (12865308).

Almost surely, 2^135478754 is an apocalyptic number.

135478754 is a deficient number, since it is larger than the sum of its proper divisors (70366174).

135478754 is a wasteful number, since it uses less digits than its factorization.

135478754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its digits is 470400, while the sum is 44.

The square root of 135478754 is about 11639.5340972051. The cubic root of 135478754 is about 513.5984817689.

It can be divided in two parts, 1354 and 78754, that added together give a palindrome (80108).

The spelling of 135478754 in words is "one hundred thirty-five million, four hundred seventy-eight thousand, seven hundred fifty-four".