135782078 has 32 divisors (see below), whose sum is σ = 215006400. Its totient is φ = 64247040.

The previous prime is 135782047. The next prime is 135782083. The reversal of 135782078 is 870287531.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682223 + ... + 682421.

It is an arithmetic number, because the mean of its divisors is an integer number (6718950).

Almost surely, 2^135782078 is an apocalyptic number.

135782078 is a deficient number, since it is larger than the sum of its proper divisors (79224322).

135782078 is a wasteful number, since it uses less digits than its factorization.

135782078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 135782078 is about 11652.5567151591. The cubic root of 135782078 is about 513.9814953948.

The spelling of 135782078 in words is "one hundred thirty-five million, seven hundred eighty-two thousand, seventy-eight".