41138009 has 4 divisors (see below), whose sum is σ = 44877840. Its totient is φ = 37398180.

The previous prime is 41138003. The next prime is 41138029. The reversal of 41138009 is 90083114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41138009 - 2²⁰ = 40089433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41138003) 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, 1869899 + ... + 1869920.

It is an arithmetic number, because the mean of its divisors is an integer number (11219460).

Almost surely, 2^41138009 is an apocalyptic number.

It is an amenable number.

41138009 is a deficient number, since it is larger than the sum of its proper divisors (3739831).

41138009 is a wasteful number, since it uses less digits than its factorization.

41138009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739830.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 41138009 is about 6413.8918762324. The cubic root of 41138009 is about 345.2081891235.

The spelling of 41138009 in words is "forty-one million, one hundred thirty-eight thousand, nine".