1376045149 has 2 divisors, whose sum is σ = 1376045150. Its totient is φ = 1376045148.

The previous prime is 1376045119. The next prime is 1376045159. The reversal of 1376045149 is 9415406731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857025625 + 519019524 = 29275^2 + 22782^2 .

It is an emirp because it is prime and its reverse (9415406731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1376045149 - 2²³ = 1367656541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376045119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688022574 + 688022575.

It is an arithmetic number, because the mean of its divisors is an integer number (688022575).

Almost surely, 2^1376045149 is an apocalyptic number.

It is an amenable number.

1376045149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376045149 is an equidigital number, since it uses as much as digits as its factorization.

1376045149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1376045149 is about 37095.0825447255. The cubic root of 1376045149 is about 1112.2717182406.

The spelling of 1376045149 in words is "one billion, three hundred seventy-six million, forty-five thousand, one hundred forty-nine".