541822139 has 4 divisors (see below), whose sum is σ = 545720280. Its totient is φ = 537924000.

The previous prime is 541822129. The next prime is 541822163. The reversal of 541822139 is 931228145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 541822139 - 2⁸ = 541821883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541822099 and 541822108.

It is not an unprimeable number, because it can be changed into a prime (541822129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948862 + ... + 1949139.

It is an arithmetic number, because the mean of its divisors is an integer number (136430070).

Almost surely, 2^541822139 is an apocalyptic number.

541822139 is a deficient number, since it is larger than the sum of its proper divisors (3898141).

541822139 is a wasteful number, since it uses less digits than its factorization.

541822139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898140.

The product of its digits is 17280, while the sum is 35.

The square root of 541822139 is about 23277.0732481556. The cubic root of 541822139 is about 815.2401911650.

The spelling of 541822139 in words is "five hundred forty-one million, eight hundred twenty-two thousand, one hundred thirty-nine".