40135529 has 16 divisors (see below), whose sum is σ = 48418560. Its totient is φ = 32524800.

The previous prime is 40135523. The next prime is 40135547. The reversal of 40135529 is 92553104.

40135529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40135529 is a prime.

It is a super-2 number, since 2×40135529² = 3221721376219682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40135523) 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 15 ways as a sum of consecutive naturals, for example, 12929 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (3026160).

Almost surely, 2^40135529 is an apocalyptic number.

It is an amenable number.

40135529 is a deficient number, since it is larger than the sum of its proper divisors (8283031).

40135529 is a wasteful number, since it uses less digits than its factorization.

40135529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 40135529 is about 6335.2607681137. The cubic root of 40135529 is about 342.3810061350.

The spelling of 40135529 in words is "forty million, one hundred thirty-five thousand, five hundred twenty-nine".