43140011 has 2 divisors, whose sum is σ = 43140012. Its totient is φ = 43140010.

The previous prime is 43140001. The next prime is 43140037. The reversal of 43140011 is 11004134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43140011 - 2²² = 38945707 is a prime.

It is a super-2 number, since 2×43140011² = 3722121098160242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43140001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570005 + 21570006.

It is an arithmetic number, because the mean of its divisors is an integer number (21570006).

Almost surely, 2^43140011 is an apocalyptic number.

43140011 is a deficient number, since it is larger than the sum of its proper divisors (1).

43140011 is an equidigital number, since it uses as much as digits as its factorization.

43140011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 43140011 is about 6568.1055868492. The cubic root of 43140011 is about 350.7196377006.

Adding to 43140011 its reverse (11004134), we get a palindrome (54144145).

The spelling of 43140011 in words is "forty-three million, one hundred forty thousand, eleven".