39765113 has 2 divisors, whose sum is σ = 39765114. Its totient is φ = 39765112.

The previous prime is 39765101. The next prime is 39765127. The reversal of 39765113 is 31156793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 727609 = 6248^2 + 853^2 .

It is an emirp because it is prime and its reverse (31156793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39765113 - 2²² = 35570809 is a prime.

It is not a weakly prime, because it can be changed into another prime (39765133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19882556 + 19882557.

It is an arithmetic number, because the mean of its divisors is an integer number (19882557).

Almost surely, 2^39765113 is an apocalyptic number.

It is an amenable number.

39765113 is a deficient number, since it is larger than the sum of its proper divisors (1).

39765113 is an equidigital number, since it uses as much as digits as its factorization.

39765113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 39765113 is about 6305.9585314209. The cubic root of 39765113 is about 341.3244561960.

The spelling of 39765113 in words is "thirty-nine million, seven hundred sixty-five thousand, one hundred thirteen".