41142109 has 4 divisors (see below), whose sum is σ = 41157180. Its totient is φ = 41127040.

The previous prime is 41142107. The next prime is 41142133. The reversal of 41142109 is 90124114.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23794884 + 17347225 = 4878^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 41142109 - 2¹ = 41142107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41142109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41142103) 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, 2164 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (10289295).

Almost surely, 2^41142109 is an apocalyptic number.

It is an amenable number.

41142109 is a deficient number, since it is larger than the sum of its proper divisors (15071).

41142109 is a wasteful number, since it uses less digits than its factorization.

41142109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 41142109 is about 6414.2114870029. The cubic root of 41142109 is about 345.2196570789.

The spelling of 41142109 in words is "forty-one million, one hundred forty-two thousand, one hundred nine".