40163135 has 16 divisors (see below), whose sum is σ = 50699520. Its totient is φ = 30501120.

The previous prime is 40163117. The next prime is 40163143. The reversal of 40163135 is 53136104.

It is a happy number.

It is not a de Polignac number, because 40163135 - 2⁸ = 40162879 is a prime.

It is a super-2 number, since 2×40163135² = 3226154826056450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5771 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (3168720).

Almost surely, 2^40163135 is an apocalyptic number.

40163135 is a deficient number, since it is larger than the sum of its proper divisors (10536385).

40163135 is a wasteful number, since it uses less digits than its factorization.

40163135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 40163135 is about 6337.4391515817. The cubic root of 40163135 is about 342.4594869231.

Adding to 40163135 its reverse (53136104), we get a palindrome (93299239).

It can be divided in two parts, 401 and 63135, that added together give a palindrome (63536).

The spelling of 40163135 in words is "forty million, one hundred sixty-three thousand, one hundred thirty-five".