40199113 has 2 divisors, whose sum is σ = 40199114. Its totient is φ = 40199112.

The previous prime is 40199099. The next prime is 40199153. The reversal of 40199113 is 31199104.

It is a happy number.

40199113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23454649 + 16744464 = 4843^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 40199113 - 2¹³ = 40190921 is a prime.

It is not a weakly prime, because it can be changed into another prime (40199153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20099556 + 20099557.

It is an arithmetic number, because the mean of its divisors is an integer number (20099557).

Almost surely, 2^40199113 is an apocalyptic number.

It is an amenable number.

40199113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40199113 is an equidigital number, since it uses as much as digits as its factorization.

40199113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 40199113 is about 6340.2770444201. The cubic root of 40199113 is about 342.5617144195.

Subtracting from 40199113 its reverse (31199104), we obtain a palindrome (9000009).

The spelling of 40199113 in words is "forty million, one hundred ninety-nine thousand, one hundred thirteen".