300136073 has 2 divisors, whose sum is σ = 300136074. Its totient is φ = 300136072.

The previous prime is 300136049. The next prime is 300136091. The reversal of 300136073 is 370631003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298874944 + 1261129 = 17288^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 300136073 - 2⁸ = 300135817 is a prime.

It is a super-2 number, since 2×300136073² = 180163324631722658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (300136033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150068036 + 150068037.

It is an arithmetic number, because the mean of its divisors is an integer number (150068037).

Almost surely, 2^300136073 is an apocalyptic number.

It is an amenable number.

300136073 is a deficient number, since it is larger than the sum of its proper divisors (1).

300136073 is an equidigital number, since it uses as much as digits as its factorization.

300136073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 300136073 is about 17324.4357195263. The cubic root of 300136073 is about 669.5341478387.

Adding to 300136073 its reverse (370631003), we get a palindrome (670767076).

The spelling of 300136073 in words is "three hundred million, one hundred thirty-six thousand, seventy-three".