20141539 has 12 divisors (see below), whose sum is σ = 23306920. Its totient is φ = 17344800.

The previous prime is 20141509. The next prime is 20141543. The reversal of 20141539 is 93514102.

It is not a de Polignac number, because 20141539 - 2⁵ = 20141507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20141509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2082 + ... + 6679.

Almost surely, 2^20141539 is an apocalyptic number.

20141539 is a deficient number, since it is larger than the sum of its proper divisors (3165381).

20141539 is a wasteful number, since it uses less digits than its factorization.

20141539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802 (or 8791 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20141539 is about 4487.9325975331. The cubic root of 20141539 is about 272.0805836424.

It can be divided in two parts, 2014 and 1539, that added together give a palindrome (3553).

The spelling of 20141539 in words is "twenty million, one hundred forty-one thousand, five hundred thirty-nine".