43140735 has 96 divisors (see below), whose sum is σ = 89376000. Its totient is φ = 19673280.

The previous prime is 43140707. The next prime is 43140743. The reversal of 43140735 is 53704134.

It is not a de Polignac number, because 43140735 - 2⁷ = 43140607 is a prime.

It is a super-2 number, since 2×43140735² = 3722246032680450, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 43140699 and 43140708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 310296 + ... + 310434.

It is an arithmetic number, because the mean of its divisors is an integer number (931000).

Almost surely, 2^43140735 is an apocalyptic number.

43140735 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43140735 is an abundant number, since it is smaller than the sum of its proper divisors (46235265).

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

43140735 is a wasteful number, since it uses less digits than its factorization.

43140735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 43140735 is about 6568.1607014445. The cubic root of 43140735 is about 350.7215996812.

Adding to 43140735 its reverse (53704134), we get a palindrome (96844869).

The spelling of 43140735 in words is "forty-three million, one hundred forty thousand, seven hundred thirty-five".