1300388149 has 2 divisors, whose sum is σ = 1300388150. Its totient is φ = 1300388148.

The previous prime is 1300388071. The next prime is 1300388161. The reversal of 1300388149 is 9418830031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300107249 + 280900 = 36057^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300388149 - 2¹⁹ = 1299863861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300388849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650194074 + 650194075.

It is an arithmetic number, because the mean of its divisors is an integer number (650194075).

Almost surely, 2^1300388149 is an apocalyptic number.

It is an amenable number.

1300388149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300388149 is an equidigital number, since it uses as much as digits as its factorization.

1300388149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1300388149 is about 36060.8950110781. The cubic root of 1300388149 is about 1091.5014935488.

The spelling of 1300388149 in words is "one billion, three hundred million, three hundred eighty-eight thousand, one hundred forty-nine".