2139368 has 64 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 792000.

The previous prime is 2139367. The next prime is 2139373. The reversal of 2139368 is 8639312.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3 + 9⁴ + 3⁹ + 6⁵ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2139367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14093 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^2139368 is an apocalyptic number.

2139368 is a gapful number since it is divisible by the number (28) 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 2139368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626560).

2139368 is an abundant number, since it is smaller than the sum of its proper divisors (3113752).

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

2139368 is a wasteful number, since it uses less digits than its factorization.

2139368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2139368 is about 1462.6578547288. The cubic root of 2139368 is about 128.8531871434.

The spelling of 2139368 in words is "two million, one hundred thirty-nine thousand, three hundred sixty-eight".