41138391 has 16 divisors (see below), whose sum is σ = 63968000. Its totient is φ = 23507064.

The previous prime is 41138389. The next prime is 41138407. The reversal of 41138391 is 19383114.

It is not a de Polignac number, because 41138391 - 2¹ = 41138389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41138341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18961 + ... + 21018.

It is an arithmetic number, because the mean of its divisors is an integer number (3998000).

Almost surely, 2^41138391 is an apocalyptic number.

41138391 is a deficient number, since it is larger than the sum of its proper divisors (22829609).

41138391 is an equidigital number, since it uses as much as digits as its factorization.

41138391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003 (or 39989 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 41138391 is about 6413.9216552746. The cubic root of 41138391 is about 345.2092576335.

The spelling of 41138391 in words is "forty-one million, one hundred thirty-eight thousand, three hundred ninety-one".