40908113 has 2 divisors, whose sum is σ = 40908114. Its totient is φ = 40908112.

The previous prime is 40908107. The next prime is 40908151. The reversal of 40908113 is 31180904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 1117249 = 6308^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 40908113 - 2¹⁴ = 40891729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40908163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20454056 + 20454057.

It is an arithmetic number, because the mean of its divisors is an integer number (20454057).

Almost surely, 2^40908113 is an apocalyptic number.

It is an amenable number.

40908113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40908113 is an equidigital number, since it uses as much as digits as its factorization.

40908113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 40908113 is about 6395.9450435413. The cubic root of 40908113 is about 344.5639327111.

The spelling of 40908113 in words is "forty million, nine hundred eight thousand, one hundred thirteen".