20141439 has 8 divisors (see below), whose sum is σ = 26880432. Its totient is φ = 13415040.

The previous prime is 20141423. The next prime is 20141441. The reversal of 20141439 is 93414102.

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

It is not a de Polignac number, because 20141439 - 2⁴ = 20141423 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141449) 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, 1617 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (3360054).

Almost surely, 2^20141439 is an apocalyptic number.

20141439 is a deficient number, since it is larger than the sum of its proper divisors (6738993).

20141439 is a wasteful number, since it uses less digits than its factorization.

20141439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20141439 is about 4487.9214565320. The cubic root of 20141439 is about 272.0801333606.

The spelling of 20141439 in words is "twenty million, one hundred forty-one thousand, four hundred thirty-nine".