43748135 has 4 divisors (see below), whose sum is σ = 52497768. Its totient is φ = 34998504.

The previous prime is 43748113. The next prime is 43748143. The reversal of 43748135 is 53184734.

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

It is a cyclic number.

It is not a de Polignac number, because 43748135 - 2¹² = 43744039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43748095 and 43748104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4374809 + ... + 4374818.

It is an arithmetic number, because the mean of its divisors is an integer number (13124442).

Almost surely, 2^43748135 is an apocalyptic number.

43748135 is a deficient number, since it is larger than the sum of its proper divisors (8749633).

43748135 is an equidigital number, since it uses as much as digits as its factorization.

43748135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749632.

The product of its digits is 40320, while the sum is 35.

The square root of 43748135 is about 6614.2372954106. The cubic root of 43748135 is about 352.3599295941.

The spelling of 43748135 in words is "forty-three million, seven hundred forty-eight thousand, one hundred thirty-five".