40013135 has 4 divisors (see below), whose sum is σ = 48015768. Its totient is φ = 32010504.

The previous prime is 40013117. The next prime is 40013153. The reversal of 40013135 is 53131004.

40013135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (40013117) and next prime (40013153).

It is a cyclic number.

It is not a de Polignac number, because 40013135 - 2¹⁶ = 39947599 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 4001309 + ... + 4001318.

It is an arithmetic number, because the mean of its divisors is an integer number (12003942).

Almost surely, 2^40013135 is an apocalyptic number.

40013135 is a deficient number, since it is larger than the sum of its proper divisors (8002633).

40013135 is an equidigital number, since it uses as much as digits as its factorization.

40013135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002632.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40013135 is about 6325.5936480302. The cubic root of 40013135 is about 342.0326194620.

Adding to 40013135 its reverse (53131004), we get a palindrome (93144139).

The spelling of 40013135 in words is "forty million, thirteen thousand, one hundred thirty-five".