1394873113 has 2 divisors, whose sum is σ = 1394873114. Its totient is φ = 1394873112.

The previous prime is 1394873099. The next prime is 1394873119. The reversal of 1394873113 is 3113784931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1394873104 + 9 = 37348^2 + 3^2 .

It is an emirp because it is prime and its reverse (3113784931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1394873113 - 2¹³ = 1394864921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1394873119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697436556 + 697436557.

It is an arithmetic number, because the mean of its divisors is an integer number (697436557).

Almost surely, 2^1394873113 is an apocalyptic number.

It is an amenable number.

1394873113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394873113 is an equidigital number, since it uses as much as digits as its factorization.

1394873113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 1394873113 is about 37348.0001204884. Note that the first 3 decimals coincide. The cubic root of 1394873113 is about 1117.3217022735.

The spelling of 1394873113 in words is "one billion, three hundred ninety-four million, eight hundred seventy-three thousand, one hundred thirteen".