43140134 has 16 divisors (see below), whose sum is σ = 68048640. Its totient is φ = 20471880.

The previous prime is 43140121. The next prime is 43140193. The reversal of 43140134 is 43104134.

It is a happy number.

It is a super-2 number, since 2×43140134² = 3722142323075912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (4253040).

Almost surely, 2^43140134 is an apocalyptic number.

43140134 is a deficient number, since it is larger than the sum of its proper divisors (24908506).

43140134 is a wasteful number, since it uses less digits than its factorization.

43140134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43140134 is about 6568.1149502730. The cubic root of 43140134 is about 350.7199710221.

Adding to 43140134 its reverse (43104134), we get a palindrome (86244268).

The spelling of 43140134 in words is "forty-three million, one hundred forty thousand, one hundred thirty-four".