2139696000 has 640 divisors, whose sum is σ = 8625576960. Its totient is φ = 522547200.

The previous prime is 2139695993. The next prime is 2139696029. The reversal of 2139696000 is 6969312.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16847937 + ... + 16848063.

It is an arithmetic number, because the mean of its divisors is an integer number (13477464).

Almost surely, 2^2139696000 is an apocalyptic number.

2139696000 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 2139696000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312788480).

2139696000 is an abundant number, since it is smaller than the sum of its proper divisors (6485880960).

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

2139696000 is a wasteful number, since it uses less digits than its factorization.

2139696000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2139696000 is about 46256.8481416536. The cubic root of 2139696000 is about 1288.5977190515.

The spelling of 2139696000 in words is "two billion, one hundred thirty-nine million, six hundred ninety-six thousand".