39320129 has 2 divisors, whose sum is σ = 39320130. Its totient is φ = 39320128.

The previous prime is 39320119. The next prime is 39320207. The reversal of 39320129 is 92102393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 1620529 = 6140^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 39320129 - 2¹² = 39316033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39320119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19660064 + 19660065.

It is an arithmetic number, because the mean of its divisors is an integer number (19660065).

Almost surely, 2^39320129 is an apocalyptic number.

It is an amenable number.

39320129 is a deficient number, since it is larger than the sum of its proper divisors (1).

39320129 is an equidigital number, since it uses as much as digits as its factorization.

39320129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 39320129 is about 6270.5764487804. The cubic root of 39320129 is about 340.0465017135.

The spelling of 39320129 in words is "thirty-nine million, three hundred twenty thousand, one hundred twenty-nine".