109019137 has 2 divisors, whose sum is σ = 109019138. Its totient is φ = 109019136.

The previous prime is 109019111. The next prime is 109019177. The reversal of 109019137 is 731910901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91412721 + 17606416 = 9561^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 109019137 - 2¹⁵ = 108986369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109019099 and 109019108.

It is not a weakly prime, because it can be changed into another prime (109019107) 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, 54509568 + 54509569.

It is an arithmetic number, because the mean of its divisors is an integer number (54509569).

It is a Proth number, since it is equal to 3327 ⋅ 2¹⁵ + 1 and 3327 < 2¹⁵.

Almost surely, 2^109019137 is an apocalyptic number.

It is an amenable number.

109019137 is a deficient number, since it is larger than the sum of its proper divisors (1).

109019137 is an equidigital number, since it uses as much as digits as its factorization.

109019137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 109019137 is about 10441.2229647681. Note that the first 3 decimals coincide. The cubic root of 109019137 is about 477.7135720324.

The spelling of 109019137 in words is "one hundred nine million, nineteen thousand, one hundred thirty-seven".