135819284140 has 24 divisors (see below), whose sum is σ = 285260804640. Its totient is φ = 54320035968.

The previous prime is 135819284123. The next prime is 135819284149. The reversal of 135819284140 is 41482918531.

It is not an unprimeable number, because it can be changed into a prime (135819284149) 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, 333712 + ... + 618871.

It is an arithmetic number, because the mean of its divisors is an integer number (11885866860).

Almost surely, 2^135819284140 is an apocalyptic number.

135819284140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135819284140 is an abundant number, since it is smaller than the sum of its proper divisors (149441520500).

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

135819284140 is a wasteful number, since it uses less digits than its factorization.

135819284140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959721 (or 959719 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 135819284140 in words is "one hundred thirty-five billion, eight hundred nineteen million, two hundred eighty-four thousand, one hundred forty".