43140106 has 4 divisors (see below), whose sum is σ = 64710162. Its totient is φ = 21570052.

The previous prime is 43140103. The next prime is 43140107. The reversal of 43140106 is 60104134.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 2295225 = 6391^2 + 1515^2 .

It is a super-2 number, since 2×43140106² = 3722137491382472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43140103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10785025 + ... + 10785028.

Almost surely, 2^43140106 is an apocalyptic number.

43140106 is a deficient number, since it is larger than the sum of its proper divisors (21570056).

43140106 is a wasteful number, since it uses less digits than its factorization.

43140106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21570055.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 43140106 is about 6568.1128187631. The cubic root of 43140106 is about 350.7198951441.

The spelling of 43140106 in words is "forty-three million, one hundred forty thousand, one hundred six".