1361937113 has 2 divisors, whose sum is σ = 1361937114. Its totient is φ = 1361937112.

The previous prime is 1361937103. The next prime is 1361937127. The reversal of 1361937113 is 3117391631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265367184 + 96569929 = 35572^2 + 9827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361937113 - 2⁴ = 1361937097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1361937103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680968556 + 680968557.

It is an arithmetic number, because the mean of its divisors is an integer number (680968557).

Almost surely, 2^1361937113 is an apocalyptic number.

It is an amenable number.

1361937113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361937113 is an equidigital number, since it uses as much as digits as its factorization.

1361937113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 1361937113 is about 36904.4321592949. The cubic root of 1361937113 is about 1108.4574284679.

The spelling of 1361937113 in words is "one billion, three hundred sixty-one million, nine hundred thirty-seven thousand, one hundred thirteen".