43351138 has 16 divisors (see below), whose sum is σ = 67801536. Its totient is φ = 20769840.

The previous prime is 43351117. The next prime is 43351177. The reversal of 43351138 is 83115334.

43351138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (4237596).

Almost surely, 2^43351138 is an apocalyptic number.

43351138 is a deficient number, since it is larger than the sum of its proper divisors (24450398).

43351138 is a wasteful number, since it uses less digits than its factorization.

43351138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9609.

The product of its digits is 4320, while the sum is 28.

The square root of 43351138 is about 6584.1581086727. The cubic root of 43351138 is about 351.2908469360.

The spelling of 43351138 in words is "forty-three million, three hundred fifty-one thousand, one hundred thirty-eight".