135849742084 has 45 divisors (see below), whose sum is σ = 277417148981. Its totient is φ = 58205837760.

The previous prime is 135849742073. The next prime is 135849742111. The reversal of 135849742084 is 480247948531.

The square root of 135849742084 is 368578.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60554382084 + 75295360000 = 246078^2 + 274400^2 .

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 14 ways as a sum of consecutive naturals, for example, 36118764 + ... + 36122524.

Almost surely, 2^135849742084 is an apocalyptic number.

135849742084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135849742084 is the 368578-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135849742084

135849742084 is an abundant number, since it is smaller than the sum of its proper divisors (141567406897).

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

135849742084 is an frugal number, since it uses more digits than its factorization.

135849742084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 135849742084 in words is "one hundred thirty-five billion, eight hundred forty-nine million, seven hundred forty-two thousand, eighty-four".