43138803 has 4 divisors (see below), whose sum is σ = 57518408. Its totient is φ = 28759200.

The previous prime is 43138787. The next prime is 43138831. The reversal of 43138803 is 30883134.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43138803 - 2⁴ = 43138787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43138003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7189798 + ... + 7189803.

It is an arithmetic number, because the mean of its divisors is an integer number (14379602).

Almost surely, 2^43138803 is an apocalyptic number.

43138803 is a deficient number, since it is larger than the sum of its proper divisors (14379605).

43138803 is a wasteful number, since it uses less digits than its factorization.

43138803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379604.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 43138803 is about 6568.0136266607. The cubic root of 43138803 is about 350.7163640708.

The spelling of 43138803 in words is "forty-three million, one hundred thirty-eight thousand, eight hundred three".