41854139 has 2 divisors, whose sum is σ = 41854140. Its totient is φ = 41854138.

The previous prime is 41854133. The next prime is 41854177. The reversal of 41854139 is 93145814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41854139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41854099 and 41854108.

It is not a weakly prime, because it can be changed into another prime (41854133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20927069 + 20927070.

It is an arithmetic number, because the mean of its divisors is an integer number (20927070).

Almost surely, 2^41854139 is an apocalyptic number.

41854139 is a deficient number, since it is larger than the sum of its proper divisors (1).

41854139 is an equidigital number, since it uses as much as digits as its factorization.

41854139 is an evil number, because the sum of its binary digits is even.

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

The square root of 41854139 is about 6469.4774904933. The cubic root of 41854139 is about 347.1998035412.

The spelling of 41854139 in words is "forty-one million, eight hundred fifty-four thousand, one hundred thirty-nine".