43135254 has 40 divisors (see below), whose sum is σ = 98314920. Its totient is φ = 14131584.

The previous prime is 43135247. The next prime is 43135259. The reversal of 43135254 is 45253134.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43135259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7302 + ... + 11814.

It is an arithmetic number, because the mean of its divisors is an integer number (2457873).

Almost surely, 2^43135254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43135254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49157460).

43135254 is an abundant number, since it is smaller than the sum of its proper divisors (55179666).

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

43135254 is a wasteful number, since it uses less digits than its factorization.

43135254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4577 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 43135254 is about 6567.7434480954. The cubic root of 43135254 is about 350.7067460748.

Adding to 43135254 its reverse (45253134), we get a palindrome (88388388).

The spelling of 43135254 in words is "forty-three million, one hundred thirty-five thousand, two hundred fifty-four".