41139929 has 2 divisors, whose sum is σ = 41139930. Its totient is φ = 41139928.

The previous prime is 41139911. The next prime is 41139937. The reversal of 41139929 is 92993114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23541904 + 17598025 = 4852^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 41139929 - 2⁸ = 41139673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41139892 and 41139901.

It is not a weakly prime, because it can be changed into another prime (41139529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20569964 + 20569965.

It is an arithmetic number, because the mean of its divisors is an integer number (20569965).

Almost surely, 2^41139929 is an apocalyptic number.

It is an amenable number.

41139929 is a deficient number, since it is larger than the sum of its proper divisors (1).

41139929 is an equidigital number, since it uses as much as digits as its factorization.

41139929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 41139929 is about 6414.0415496004. The cubic root of 41139929 is about 345.2135595780.

The spelling of 41139929 in words is "forty-one million, one hundred thirty-nine thousand, nine hundred twenty-nine".