300138613 has 2 divisors, whose sum is σ = 300138614. Its totient is φ = 300138612.

The previous prime is 300138607. The next prime is 300138637. The reversal of 300138613 is 316831003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170224209 + 129914404 = 13047^2 + 11398^2 .

It is a cyclic number.

It is not a de Polignac number, because 300138613 - 2⁹ = 300138101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300138653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150069306 + 150069307.

It is an arithmetic number, because the mean of its divisors is an integer number (150069307).

Almost surely, 2^300138613 is an apocalyptic number.

It is an amenable number.

300138613 is a deficient number, since it is larger than the sum of its proper divisors (1).

300138613 is an equidigital number, since it uses as much as digits as its factorization.

300138613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 300138613 is about 17324.5090262322. The cubic root of 300138613 is about 669.5360365509.

Adding to 300138613 its reverse (316831003), we get a palindrome (616969616).

It can be divided in two parts, 3001 and 38613, that added together give a palindrome (41614).

The spelling of 300138613 in words is "three hundred million, one hundred thirty-eight thousand, six hundred thirteen".