108165137 has 2 divisors, whose sum is σ = 108165138. Its totient is φ = 108165136.

The previous prime is 108165131. The next prime is 108165149. The reversal of 108165137 is 731561801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79852096 + 28313041 = 8936^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 108165137 - 2²⁰ = 107116561 is a prime.

It is not a weakly prime, because it can be changed into another prime (108165131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54082568 + 54082569.

It is an arithmetic number, because the mean of its divisors is an integer number (54082569).

Almost surely, 2^108165137 is an apocalyptic number.

It is an amenable number.

108165137 is a deficient number, since it is larger than the sum of its proper divisors (1).

108165137 is an equidigital number, since it uses as much as digits as its factorization.

108165137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 108165137 is about 10400.2469682215. The cubic root of 108165137 is about 476.4629129548.

The spelling of 108165137 in words is "one hundred eight million, one hundred sixty-five thousand, one hundred thirty-seven".