41139999 has 12 divisors (see below), whose sum is σ = 59894016. Its totient is φ = 27209952.

The previous prime is 41139991. The next prime is 41140003. The reversal of 41139999 is 99993114.

It is not a de Polignac number, because 41139999 - 2³ = 41139991 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

41139999 is a modest number, since divided by 9999 gives 4113 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41139991) 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, 16854 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (4991168).

Almost surely, 2^41139999 is an apocalyptic number.

41139999 is a deficient number, since it is larger than the sum of its proper divisors (18754017).

41139999 is a wasteful number, since it uses less digits than its factorization.

41139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36126 (or 36123 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 41139999 is about 6414.0470063759. The cubic root of 41139999 is about 345.2137553726.

The spelling of 41139999 in words is "forty-one million, one hundred thirty-nine thousand, nine hundred ninety-nine".