40513135 has 8 divisors (see below), whose sum is σ = 52355520. Its totient is φ = 29917344.

The previous prime is 40513133. The next prime is 40513153. The reversal of 40513135 is 53131504.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40513135 - 2¹ = 40513133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311575 + ... + 311704.

It is an arithmetic number, because the mean of its divisors is an integer number (6544440).

Almost surely, 2^40513135 is an apocalyptic number.

40513135 is a deficient number, since it is larger than the sum of its proper divisors (11842385).

40513135 is a wasteful number, since it uses less digits than its factorization.

40513135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623297.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 40513135 is about 6364.9929300825. The cubic root of 40513135 is about 343.4513942386.

Adding to 40513135 its reverse (53131504), we get a palindrome (93644639).

The spelling of 40513135 in words is "forty million, five hundred thirteen thousand, one hundred thirty-five".