43135401 has 4 divisors (see below), whose sum is σ = 57513872. Its totient is φ = 28756932.

The previous prime is 43135369. The next prime is 43135429. The reversal of 43135401 is 10453134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43135401 - 2⁵ = 43135369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43135901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7189231 + ... + 7189236.

It is an arithmetic number, because the mean of its divisors is an integer number (14378468).

Almost surely, 2^43135401 is an apocalyptic number.

It is an amenable number.

43135401 is a deficient number, since it is larger than the sum of its proper divisors (14378471).

43135401 is a wasteful number, since it uses less digits than its factorization.

43135401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378470.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 43135401 is about 6567.7546391442. The cubic root of 43135401 is about 350.7071444638.

Adding to 43135401 its reverse (10453134), we get a palindrome (53588535).

The spelling of 43135401 in words is "forty-three million, one hundred thirty-five thousand, four hundred one".