135684102081374 has 128 divisors (see below), whose sum is σ = 263162598064128. Its totient is φ = 50918868000000.

The previous prime is 135684102081329. The next prime is 135684102081379. The reversal of 135684102081374 is 473180201486531.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135684102081379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 949625159 + ... + 949768029.

It is an arithmetic number, because the mean of its divisors is an integer number (2055957797376).

Almost surely, 2^{135684102081374} is an apocalyptic number.

135684102081374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135684102081374 is a deficient number, since it is larger than the sum of its proper divisors (127478495982754).

135684102081374 is a wasteful number, since it uses less digits than its factorization.

135684102081374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143854.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 135684102081374 in words is "one hundred thirty-five trillion, six hundred eighty-four billion, one hundred two million, eighty-one thousand, three hundred seventy-four".