40130165 has 8 divisors (see below), whose sum is σ = 48204888. Its totient is φ = 32071680.

The previous prime is 40130143. The next prime is 40130197. The reversal of 40130165 is 56103104.

40130165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13823524 + 26306641 = 3718^2 + 5129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40130165 - 2⁸ = 40129909 is a prime.

It is a super-2 number, since 2×40130165² = 3220860285854450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (6025611).

Almost surely, 2^40130165 is an apocalyptic number.

It is an amenable number.

40130165 is a deficient number, since it is larger than the sum of its proper divisors (8074723).

40130165 is a wasteful number, since it uses less digits than its factorization.

40130165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40130165 is about 6334.8374091211. The cubic root of 40130165 is about 342.3657527042.

Adding to 40130165 its reverse (56103104), we get a palindrome (96233269).

The spelling of 40130165 in words is "forty million, one hundred thirty thousand, one hundred sixty-five".