2137389 has 8 divisors (see below), whose sum is σ = 2857920. Its totient is φ = 1420896.

The previous prime is 2137361. The next prime is 2137391. The reversal of 2137389 is 9837312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2137389 - 2⁸ = 2137133 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3⁶ + 7⁵ + 3¹³ + 8³ + 9³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137339) 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, 592 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (357240).

2^2137389 is an apocalyptic number.

It is an amenable number.

2137389 is a deficient number, since it is larger than the sum of its proper divisors (720531).

2137389 is a wasteful number, since it uses less digits than its factorization.

2137389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

The product of its digits is 9072, while the sum is 33.

The square root of 2137389 is about 1461.9811900295. The cubic root of 2137389 is about 128.8134434549.

The spelling of 2137389 in words is "two million, one hundred thirty-seven thousand, three hundred eighty-nine".