2139124014720 has 1024 divisors, whose sum is σ = 9700989235200. Its totient is φ = 432470016000.

The previous prime is 2139124014707. The next prime is 2139124014743. The reversal of 2139124014720 is 274104219312.

2139124014720 is a `hidden beast` number, since 2 + 1 + 391 + 240 + 1 + 4 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49208995 + ... + 49252445.

It is an arithmetic number, because the mean of its divisors is an integer number (9473622300).

Almost surely, 2^{2139124014720} is an apocalyptic number.

2139124014720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139124014720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4850494617600).

2139124014720 is an abundant number, since it is smaller than the sum of its proper divisors (7561865220480).

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

2139124014720 is a wasteful number, since it uses less digits than its factorization.

2139124014720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43534 (or 43516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 2139124014720 in words is "two trillion, one hundred thirty-nine billion, one hundred twenty-four million, fourteen thousand, seven hundred twenty".