135543378 has 16 divisors (see below), whose sum is σ = 285354720. Its totient is φ = 42803136.

The previous prime is 135543371. The next prime is 135543383. The reversal of 135543378 is 873345531.

It is not an unprimeable number, because it can be changed into a prime (135543371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594375 + ... + 594602.

It is an arithmetic number, because the mean of its divisors is an integer number (17834670).

Almost surely, 2^135543378 is an apocalyptic number.

135543378 is an abundant number, since it is smaller than the sum of its proper divisors (149811342).

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

135543378 is a wasteful number, since it uses less digits than its factorization.

135543378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189001.

The product of its digits is 151200, while the sum is 39.

The square root of 135543378 is about 11642.3098223677. The cubic root of 135543378 is about 513.6801317480.

The spelling of 135543378 in words is "one hundred thirty-five million, five hundred forty-three thousand, three hundred seventy-eight".