40165135 has 16 divisors (see below), whose sum is σ = 51904800. Its totient is φ = 29725696.

The previous prime is 40165133. The next prime is 40165157. The reversal of 40165135 is 53156104.

It is a cyclic number.

It is not a de Polignac number, because 40165135 - 2¹ = 40165133 is a prime.

It is a super-2 number, since 2×40165135² = 3226476139136450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40165133) 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, 1011 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (3244050).

Almost surely, 2^40165135 is an apocalyptic number.

40165135 is a deficient number, since it is larger than the sum of its proper divisors (11739665).

40165135 is a wasteful number, since it uses less digits than its factorization.

40165135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 40165135 is about 6337.5969420593. The cubic root of 40165135 is about 342.4651713034.

It can be divided in two parts, 401 and 65135, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 40165135 in words is "forty million, one hundred sixty-five thousand, one hundred thirty-five".