1139362813 has 2 divisors, whose sum is σ = 1139362814. Its totient is φ = 1139362812.

The previous prime is 1139362801. The next prime is 1139362823. The reversal of 1139362813 is 3182639311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916696729 + 222666084 = 30277^2 + 14922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139362813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139362823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569681406 + 569681407.

It is an arithmetic number, because the mean of its divisors is an integer number (569681407).

Almost surely, 2^1139362813 is an apocalyptic number.

It is an amenable number.

1139362813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139362813 is an equidigital number, since it uses as much as digits as its factorization.

1139362813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1139362813 is about 33754.4487882709. The cubic root of 1139362813 is about 1044.4492608621.

The spelling of 1139362813 in words is "one billion, one hundred thirty-nine million, three hundred sixty-two thousand, eight hundred thirteen".