43158136 has 32 divisors (see below), whose sum is σ = 92694240. Its totient is φ = 18453888.

The previous prime is 43158127. The next prime is 43158149. The reversal of 43158136 is 63185134.

It is a junction number, because it is equal to n+sod(n) for n = 43158098 and 43158107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42790 + ... + 43786.

It is an arithmetic number, because the mean of its divisors is an integer number (2896695).

Almost surely, 2^43158136 is an apocalyptic number.

It is an amenable number.

43158136 is an abundant number, since it is smaller than the sum of its proper divisors (49536104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43158136 is a wasteful number, since it uses less digits than its factorization.

43158136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 43158136 is about 6569.4852157532. The cubic root of 43158136 is about 350.7687483618.

The spelling of 43158136 in words is "forty-three million, one hundred fifty-eight thousand, one hundred thirty-six".