2135381559144 has 32 divisors (see below), whose sum is σ = 5482736437920. Its totient is φ = 692556181056.

The previous prime is 2135381559139. The next prime is 2135381559229. The reversal of 2135381559144 is 4419551835312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202353594 + ... + 1202355369.

It is an arithmetic number, because the mean of its divisors is an integer number (171335513685).

Almost surely, 2^{2135381559144} is an apocalyptic number.

2135381559144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2135381559144 is an abundant number, since it is smaller than the sum of its proper divisors (3347354878776).

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

2135381559144 is a wasteful number, since it uses less digits than its factorization.

2135381559144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404709009 (or 2404709005 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The spelling of 2135381559144 in words is "two trillion, one hundred thirty-five billion, three hundred eighty-one million, five hundred fifty-nine thousand, one hundred forty-four".