135545512378 has 16 divisors (see below), whose sum is σ = 215304929280. Its totient is φ = 63778193856.

The previous prime is 135545512343. The next prime is 135545512379. The reversal of 135545512378 is 873215545531.

It is not an unprimeable number, because it can be changed into a prime (135545512379) 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, 34375 + ... + 521797.

It is an arithmetic number, because the mean of its divisors is an integer number (13456558080).

Almost surely, 2^135545512378 is an apocalyptic number.

135545512378 is a deficient number, since it is larger than the sum of its proper divisors (79759416902).

135545512378 is a wasteful number, since it uses less digits than its factorization.

135545512378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495621.

The product of its digits is 2520000, while the sum is 49.

The spelling of 135545512378 in words is "one hundred thirty-five billion, five hundred forty-five million, five hundred twelve thousand, three hundred seventy-eight".