40135444133 has 8 divisors (see below), whose sum is σ = 40286727000. Its totient is φ = 39984437248.

The previous prime is 40135444127. The next prime is 40135444169. The reversal of 40135444133 is 33144453104.

It can be written as a sum of positive squares in 4 ways, for example, as 511754884 + 39623689249 = 22622^2 + 199057^2 .

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 40135444133 - 2¹⁰ = 40135443109 is a prime.

It is a super-2 number, since 2×40135444133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40135444133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135444933) 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, 224753 + ... + 361641.

It is an arithmetic number, because the mean of its divisors is an integer number (5035840875).

Almost surely, 2^40135444133 is an apocalyptic number.

It is an amenable number.

40135444133 is a deficient number, since it is larger than the sum of its proper divisors (151282867).

40135444133 is a wasteful number, since it uses less digits than its factorization.

40135444133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137991.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 40135444133 its reverse (33144453104), we get a palindrome (73279897237).

The spelling of 40135444133 in words is "forty billion, one hundred thirty-five million, four hundred forty-four thousand, one hundred thirty-three".