40134429 has 24 divisors (see below), whose sum is σ = 60499712. Its totient is φ = 25608960.

The previous prime is 40134421. The next prime is 40134431. The reversal of 40134429 is 92443104.

40134429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40134429 - 2³ = 40134421 is a prime.

It is a super-2 number, since 2×40134429² = 3221544782312082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 26322 + ... + 27804.

Almost surely, 2^40134429 is an apocalyptic number.

It is an amenable number.

40134429 is a deficient number, since it is larger than the sum of its proper divisors (20365283).

40134429 is a wasteful number, since it uses less digits than its factorization.

40134429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40134429 is about 6335.1739518343. The cubic root of 40134429 is about 342.3778782118.

The spelling of 40134429 in words is "forty million, one hundred thirty-four thousand, four hundred twenty-nine".